diff --git a/Makefile.am b/Makefile.am
index 72b8ee95..e47ace50 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -15,7 +15,7 @@
 # Public License for more details.
 #
 # You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, see <http://www.gnu.org/licenses/>.
+# License along with this program; if not, see <https://www.gnu.org/licenses/>.
 
 ## Process this file with automake to produce Makefile.in
 
diff --git a/autogen.sh b/autogen.sh
index 24da40ca..91f35a65 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -347,7 +347,7 @@ if [ -d .git ]; then
     [ -z "${SILENT}" ] && cat <<EOF
 *** Activating trailing whitespace git pre-commit hook. ***
     For more information see this thread:
-      http://mail.gnome.org/archives/desktop-devel-list/2009-May/msg00084.html
+      https://mail.gnome.org/archives/desktop-devel-list/2009-May/msg00084.html
     To deactivate this pre-commit hook again move .git/hooks/pre-commit
     and .git/hooks/pre-commit.sample out of the way.
 EOF
diff --git a/configure.ac b/configure.ac
index fe71c712..4d2f8d67 100644
--- a/configure.ac
+++ b/configure.ac
@@ -16,7 +16,7 @@
 # Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
-# along with this program; if not, see <http://www.gnu.org/licenses/>.
+# along with this program; if not, see <https://www.gnu.org/licenses/>.
 
 # (Process this file with autoconf to produce a configure script.)
 AC_PREREQ(2.59)
diff --git a/doc/gpl.texi b/doc/gpl.texi
index d13e9e4a..931a93dd 100644
--- a/doc/gpl.texi
+++ b/doc/gpl.texi
@@ -6,7 +6,7 @@
 @c This file is intended to be included in another file.
 
 @display
-Copyright @copyright{} 2007 Free Software Foundation, Inc. @url{http://fsf.org/}
+Copyright @copyright{} 2007 Free Software Foundation, Inc. @url{https://fsf.org/}
 
 Everyone is permitted to copy and distribute verbatim copies of this
 license document, but changing it is not allowed.
@@ -696,7 +696,7 @@ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 General Public License for more details.
 
 You should have received a copy of the GNU General Public License
-along with this program.  If not, see @url{http://www.gnu.org/licenses/}.
+along with this program.  If not, see @url{https://www.gnu.org/licenses/}.
 @end example
 
 @noindent
@@ -722,11 +722,11 @@ use an ``about box''.
 You should also get your employer (if you work as a programmer) or school,
 if any, to sign a ``copyright disclaimer'' for the program, if necessary.
 For more information on this, and how to apply and follow the GNU GPL, see
-@url{http://www.gnu.org/licenses/}.
+@url{https://www.gnu.org/licenses/}.
 
 The GNU General Public License does not permit incorporating your
 program into proprietary programs.  If your program is a subroutine
 library, you may consider it more useful to permit linking proprietary
 applications with the library.  If this is what you want to do, use
 the GNU Lesser General Public License instead of this License.  But
-first, please read @url{http://www.gnu.org/philosophy/why-not-lgpl.html}.
+first, please read @url{https://www.gnu.org/philosophy/why-not-lgpl.html}.
diff --git a/doc/texinfo.tex b/doc/texinfo.tex
index d2b264dd..2c274a23 100644
--- a/doc/texinfo.tex
+++ b/doc/texinfo.tex
@@ -20,7 +20,7 @@
 % General Public License for more details.
 %
 % You should have received a copy of the GNU General Public License
-% along with this program.  If not, see <http://www.gnu.org/licenses/>.
+% along with this program.  If not, see <https://www.gnu.org/licenses/>.
 %
 % As a special exception, when this file is read by TeX when processing
 % a Texinfo source document, you may use the result without
@@ -28,7 +28,7 @@
 %
 % Please try the latest version of texinfo.tex before submitting bug
 % reports; you can get the latest version from:
-%   http://www.gnu.org/software/texinfo/ (the Texinfo home page), or
+%   https://www.gnu.org/software/texinfo/ (the Texinfo home page), or
 %   ftp://tug.org/tex/texinfo.tex
 %     (and all CTAN mirrors, see http://www.ctan.org).
 % The texinfo.tex in any given distribution could well be out
@@ -54,7 +54,7 @@
 % extent.  You can get the existing language-specific files from the
 % full Texinfo distribution.
 %
-% The GNU Texinfo home page is http://www.gnu.org/software/texinfo.
+% The GNU Texinfo home page is https://www.gnu.org/software/texinfo.
 
 
 \message{Loading texinfo [version \texinfoversion]:}
@@ -354,7 +354,7 @@
                % We don't want .vr (or whatever) entries like this:
                % \entry{{\tt \indexbackslash }acronym}{32}{\code {\acronym}}
                % "\acronym" won't work when it's read back in;
-               % it needs to be 
+               % it needs to be
                % {\code {{\tt \backslashcurfont }acronym}
     \shipout\vbox{%
       % Do this early so pdf references go to the beginning of the page.
@@ -705,7 +705,7 @@
 \def\?{?\spacefactor=\endofsentencespacefactor\space}
 
 % @frenchspacing on|off  says whether to put extra space after punctuation.
-% 
+%
 \def\onword{on}
 \def\offword{off}
 %
@@ -1260,7 +1260,7 @@ where each line of input produces a line of output.}
 % that's what we do).
 
 % double active backslashes.
-% 
+%
 {\catcode`\@=0 \catcode`\\=\active
  @gdef@activebackslashdouble{%
    @catcode`@\=@active
@@ -1272,11 +1272,11 @@ where each line of input produces a line of output.}
 % us) handles it with this amazing macro to replace tokens, with minor
 % changes for Texinfo.  It is included here under the GPL by permission
 % from the author, Heiko Oberdiek.
-% 
+%
 % #1 is the tokens to replace.
 % #2 is the replacement.
 % #3 is the control sequence with the string.
-% 
+%
 \def\HyPsdSubst#1#2#3{%
   \def\HyPsdReplace##1#1##2\END{%
     ##1%
@@ -1542,7 +1542,7 @@ output) for that.)}
       % tried to figure out what each command should do in the context
       % of @url.  for now, just make @/ a no-op, that's the only one
       % people have actually reported a problem with.
-      % 
+      %
       \normalturnoffactive
       \def\@{@}%
       \let\/=\empty
@@ -1941,7 +1941,7 @@ end
 
 % Definitions for a main text size of 11pt.  This is the default in
 % Texinfo.
-% 
+%
 \def\definetextfontsizexi{%
 % Text fonts (11.2pt, magstep1).
 \def\textnominalsize{11pt}
@@ -2074,7 +2074,7 @@ end
 % section, chapter, etc., sizes following suit.  This is for the GNU
 % Press printing of the Emacs 22 manual.  Maybe other manuals in the
 % future.  Used with @smallbook, which sets the leading to 12pt.
-% 
+%
 \def\definetextfontsizex{%
 % Text fonts (10pt).
 \def\textnominalsize{10pt}
@@ -2165,7 +2165,7 @@ end
 \setfont\secsf\sfbshape{12}{1000}{OT1}
 \let\secbf\secrm
 \setfont\secsc\scbshape{10}{\magstep1}{OT1}
-\font\seci=cmmi12 
+\font\seci=cmmi12
 \font\secsy=cmsy10 scaled \magstep1
 \def\sececsize{1200}
 
@@ -2209,7 +2209,7 @@ end
 % We provide the user-level command
 %   @fonttextsize 10
 % (or 11) to redefine the text font size.  pt is assumed.
-% 
+%
 \def\xword{10}
 \def\xiword{11}
 %
@@ -2219,7 +2219,7 @@ end
   %
   % Set \globaldefs so that documents can use this inside @tex, since
   % makeinfo 4.8 does not support it, but we need it nonetheless.
-  % 
+  %
  \begingroup \globaldefs=1
   \ifx\textsizearg\xword \definetextfontsizex
   \else \ifx\textsizearg\xiword \definetextfontsizexi
@@ -2505,7 +2505,7 @@ end
 % each of the four underscores in __typeof__.  This is undesirable in
 % some manuals, especially if they don't have long identifiers in
 % general.  @allowcodebreaks provides a way to control this.
-% 
+%
 \newif\ifallowcodebreaks  \allowcodebreakstrue
 
 \def\keywordtrue{true}
@@ -2636,7 +2636,7 @@ end
 % @acronym for "FBI", "NATO", and the like.
 % We print this one point size smaller, since it's intended for
 % all-uppercase.
-% 
+%
 \def\acronym#1{\doacronym #1,,\finish}
 \def\doacronym#1,#2,#3\finish{%
   {\selectfonts\lsize #1}%
@@ -2648,7 +2648,7 @@ end
 
 % @abbr for "Comput. J." and the like.
 % No font change, but don't do end-of-sentence spacing.
-% 
+%
 \def\abbr#1{\doabbr #1,,\finish}
 \def\doabbr#1,#2,#3\finish{%
   {\plainfrenchspacing #1}%
@@ -2667,43 +2667,43 @@ end
 % Theiling, which support regular, slanted, bold and bold slanted (and
 % "outlined" (blackboard board, sort of) versions, which we don't need).
 % It is available from http://www.ctan.org/tex-archive/fonts/eurosym.
-% 
+%
 % Although only regular is the truly official Euro symbol, we ignore
 % that.  The Euro is designed to be slightly taller than the regular
 % font height.
-% 
+%
 % feymr - regular
 % feymo - slanted
 % feybr - bold
 % feybo - bold slanted
-% 
+%
 % There is no good (free) typewriter version, to my knowledge.
 % A feymr10 euro is ~7.3pt wide, while a normal cmtt10 char is ~5.25pt wide.
 % Hmm.
-% 
+%
 % Also doesn't work in math.  Do we need to do math with euro symbols?
 % Hope not.
-% 
-% 
+%
+%
 \def\euro{{\eurofont e}}
 \def\eurofont{%
   % We set the font at each command, rather than predefining it in
   % \textfonts and the other font-switching commands, so that
   % installations which never need the symbol don't have to have the
   % font installed.
-  % 
+  %
   % There is only one designed size (nominal 10pt), so we always scale
   % that to the current nominal size.
-  % 
+  %
   % By the way, simply using "at 1em" works for cmr10 and the like, but
   % does not work for cmbx10 and other extended/shrunken fonts.
-  % 
+  %
   \def\eurosize{\csname\curfontsize nominalsize\endcsname}%
   %
-  \ifx\curfontstyle\bfstylename 
+  \ifx\curfontstyle\bfstylename
     % bold:
     \font\thiseurofont = \ifusingit{feybo10}{feybr10} at \eurosize
-  \else 
+  \else
     % regular:
     \font\thiseurofont = \ifusingit{feymo10}{feymr10} at \eurosize
   \fi
@@ -2756,7 +2756,7 @@ end
 % Laurent Siebenmann reports \Orb undefined with:
 %  Textures 1.7.7 (preloaded format=plain 93.10.14)  (68K)  16 APR 2004 02:38
 % so we'll define it if necessary.
-% 
+%
 \ifx\Orb\undefined
 \def\Orb{\mathhexbox20D}
 \fi
@@ -3105,7 +3105,7 @@ end
     % cause the example and the item to crash together.  So we use this
     % bizarre value of 10001 as a signal to \aboveenvbreak to insert
     % \parskip glue after all.  Section titles are handled this way also.
-    % 
+    %
     \penalty 10001
     \endgroup
     \itemxneedsnegativevskipfalse
@@ -3901,7 +3901,7 @@ end
   % processing continues to some further point.  On the other hand, it
   % seems \endinput does not hurt in the printed index arg, since that
   % is still getting written without apparent harm.
-  % 
+  %
   % Sample source (mac-idx3.tex, reported by Graham Percival to
   % help-texinfo, 22may06):
   % @macro funindex {WORD}
@@ -3909,12 +3909,12 @@ end
   % @end macro
   % ...
   % @funindex commtest
-  % 
+  %
   % The above is not enough to reproduce the bug, but it gives the flavor.
-  % 
+  %
   % Sample whatsit resulting:
   % .@write3{\entry{xyz}{@folio }{@code {xyz@endinput }}}
-  % 
+  %
   % So:
   \let\endinput = \empty
   %
@@ -4170,11 +4170,11 @@ end
   % makeinfo does not expand macros in the argument to @deffn, which ends up
   % writing an index entry, and texindex isn't prepared for an index sort entry
   % that starts with \.
-  % 
+  %
   % Since macro invocations are followed by braces, we can just redefine them
   % to take a single TeX argument.  The case of a macro invocation that
   % goes to end-of-line is not handled.
-  % 
+  %
   \macrolist
 }
 
@@ -4302,7 +4302,7 @@ end
     % to re-insert the same penalty (values >10000 are used for various
     % signals); since we just inserted a non-discardable item, any
     % following glue (such as a \parskip) would be a breakpoint.  For example:
-    % 
+    %
     %   @deffn deffn-whatever
     %   @vindex index-whatever
     %   Description.
@@ -5368,11 +5368,11 @@ end
   % glue accumulate.  (Not a breakpoint because it's preceded by a
   % discardable item.)
   \vskip-\parskip
-  % 
+  %
   % This is purely so the last item on the list is a known \penalty >
   % 10000.  This is so \startdefun can avoid allowing breakpoints after
   % section headings.  Otherwise, it would insert a valid breakpoint between:
-  % 
+  %
   %   @section sec-whatever
   %   @deffn def-whatever
   \penalty 10001
@@ -5430,7 +5430,7 @@ end
 % These characters do not print properly in the Computer Modern roman
 % fonts, so we must take special care.  This is more or less redundant
 % with the Texinfo input format setup at the end of this file.
-% 
+%
 \def\activecatcodes{%
   \catcode`\"=\active
   \catcode`\$=\active
@@ -5480,7 +5480,7 @@ end
 
 % redefined for the two-volume lispref.  We always output on
 % \jobname.toc even if this is redefined.
-% 
+%
 \def\tocreadfilename{\jobname.toc}
 
 % Normal (long) toc.
@@ -6035,8 +6035,8 @@ end
 % from cmtt (char 0x0d).  The undirected quote is ugly, so don't make it
 % the default, but it works for pasting with more pdf viewers (at least
 % evince), the lilypond developers report.  xpdf does work with the
-% regular 0x27.  
-% 
+% regular 0x27.
+%
 \def\codequoteright{%
   \expandafter\ifx\csname SETtxicodequoteundirected\endcsname\relax
     \expandafter\ifx\csname SETcodequoteundirected\endcsname\relax
@@ -6048,7 +6048,7 @@ end
 % and a similar option for the left quote char vs. a grave accent.
 % Modern fonts display ASCII 0x60 as a grave accent, so some people like
 % the code environments to do likewise.
-% 
+%
 \def\codequoteleft{%
   \expandafter\ifx\csname SETtxicodequotebacktick\endcsname\relax
     \expandafter\ifx\csname SETcodequotebacktick\endcsname\relax
@@ -6579,7 +6579,7 @@ end
 % This does \let #1 = #2, with \csnames; that is,
 %   \let \csname#1\endcsname = \csname#2\endcsname
 % (except of course we have to play expansion games).
-% 
+%
 \def\cslet#1#2{%
   \expandafter\let
   \csname#1\expandafter\endcsname
@@ -7737,7 +7737,7 @@ end
 %
 % If they passed de_DE, and txi-de_DE.tex doesn't exist,
 % try txi-de.tex.
-% 
+%
 \def\documentlanguagetrywithoutunderscore#1_#2\finish{%
   \openin 1 txi-#1.tex
   \ifeof 1
@@ -7793,7 +7793,7 @@ should work if nowhere else does.}
      \setnonasciicharscatcode\active
      \lattwochardefs
   %
-  \else \ifx \declaredencoding \latone 
+  \else \ifx \declaredencoding \latone
      \setnonasciicharscatcode\active
      \latonechardefs
   %
@@ -7805,7 +7805,7 @@ should work if nowhere else does.}
      \setnonasciicharscatcode\active
      \utfeightchardefs
   %
-  \else 
+  \else
     \message{Unknown document encoding #1, ignoring.}%
   %
   \fi % utfeight
@@ -7817,7 +7817,7 @@ should work if nowhere else does.}
 
 % A message to be logged when using a character that isn't available
 % the default font encoding (OT1).
-% 
+%
 \def\missingcharmsg#1{\message{Character missing in OT1 encoding: #1.}}
 
 % Take account of \c (plain) vs. \, (Texinfo) difference.
@@ -7830,21 +7830,21 @@ should work if nowhere else does.}
 %
 % Latin1 (ISO-8859-1) character definitions.
 \def\latonechardefs{%
-  \gdef^^a0{~} 
+  \gdef^^a0{~}
   \gdef^^a1{\exclamdown}
-  \gdef^^a2{\missingcharmsg{CENT SIGN}} 
+  \gdef^^a2{\missingcharmsg{CENT SIGN}}
   \gdef^^a3{{\pounds}}
   \gdef^^a4{\missingcharmsg{CURRENCY SIGN}}
   \gdef^^a5{\missingcharmsg{YEN SIGN}}
-  \gdef^^a6{\missingcharmsg{BROKEN BAR}} 
+  \gdef^^a6{\missingcharmsg{BROKEN BAR}}
   \gdef^^a7{\S}
-  \gdef^^a8{\"{}} 
-  \gdef^^a9{\copyright} 
+  \gdef^^a8{\"{}}
+  \gdef^^a9{\copyright}
   \gdef^^aa{\ordf}
-  \gdef^^ab{\missingcharmsg{LEFT-POINTING DOUBLE ANGLE QUOTATION MARK}} 
+  \gdef^^ab{\missingcharmsg{LEFT-POINTING DOUBLE ANGLE QUOTATION MARK}}
   \gdef^^ac{$\lnot$}
-  \gdef^^ad{\-} 
-  \gdef^^ae{\registeredsymbol} 
+  \gdef^^ad{\-}
+  \gdef^^ae{\registeredsymbol}
   \gdef^^af{\={}}
   %
   \gdef^^b0{\textdegree}
@@ -7871,7 +7871,7 @@ should work if nowhere else does.}
   \gdef^^c2{\^A}
   \gdef^^c3{\~A}
   \gdef^^c4{\"A}
-  \gdef^^c5{\ringaccent A} 
+  \gdef^^c5{\ringaccent A}
   \gdef^^c6{\AE}
   \gdef^^c7{\cedilla C}
   \gdef^^c8{\`E}
@@ -8012,7 +8012,7 @@ should work if nowhere else does.}
   \gdef^^d6{\"O}
   \gdef^^d7{$\times$}
   \gdef^^d8{\v R}
-  \gdef^^d9{\ringaccent U} 
+  \gdef^^d9{\ringaccent U}
   \gdef^^da{\'U}
   \gdef^^db{\H U}
   \gdef^^dc{\"U}
@@ -8056,11 +8056,11 @@ should work if nowhere else does.}
 }
 
 % UTF-8 character definitions.
-% 
+%
 % This code to support UTF-8 is based on LaTeX's utf8.def, with some
 % changes for Texinfo conventions.  It is included here under the GPL by
 % permission from Frank Mittelbach and the LaTeX team.
-% 
+%
 \newcount\countUTFx
 \newcount\countUTFy
 \newcount\countUTFz
@@ -8900,7 +8900,7 @@ should work if nowhere else does.}
 
 % Same as @turnoffactive except outputs \ as {\tt\char`\\} instead of
 % the literal character `\'.
-% 
+%
 @def@normalturnoffactive{%
   @let\=@normalbackslash
   @let"=@normaldoublequote
diff --git a/gpgme.spec.in b/gpgme.spec.in
index a5c6996d..ddc0de39 100644
--- a/gpgme.spec.in
+++ b/gpgme.spec.in
@@ -3,7 +3,7 @@ Summary: GPGME - GnuPG Made Easy
 Name: gpgme
 Version: @pkg_version@
 Release: 1
-URL: http://www.gnupg.org/gpgme.html
+URL: https://gnupg.org/gpgme.html
 Source: ftp://ftp.gnupg.org/gcrypt/alpha/gpgme/%{name}-%{version}.tar.gz
 Group: Development/Libraries
 Copyright: GPL
diff --git a/m4/glib-2.0.m4 b/m4/glib-2.0.m4
index d6413ff7..a22e6e6d 100644
--- a/m4/glib-2.0.m4
+++ b/m4/glib-2.0.m4
@@ -2,11 +2,11 @@
 # Owen Taylor     1997-2001
 
 dnl AM_PATH_GLIB_2_0([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, MODULES]]]])
-dnl Test for GLIB, and define GLIB_CFLAGS and GLIB_LIBS, if gmodule, gobject or 
+dnl Test for GLIB, and define GLIB_CFLAGS and GLIB_LIBS, if gmodule, gobject or
 dnl gthread is specified in MODULES, pass to pkg-config
 dnl
 AC_DEFUN([AM_PATH_GLIB_2_0],
-[dnl 
+[dnl
 dnl Get the cflags and libraries from pkg-config
 dnl
 AC_ARG_ENABLE(glibtest, [  --disable-glibtest      do not try to compile and run a test GLIB program],
@@ -16,16 +16,16 @@ AC_ARG_ENABLE(glibtest, [  --disable-glibtest      do not try to compile and run
   for module in . $4
   do
       case "$module" in
-         gmodule) 
+         gmodule)
              pkg_config_args="$pkg_config_args gmodule-2.0"
          ;;
-         gmodule-no-export) 
+         gmodule-no-export)
              pkg_config_args="$pkg_config_args gmodule-no-export-2.0"
          ;;
-         gobject) 
+         gobject)
              pkg_config_args="$pkg_config_args gobject-2.0"
          ;;
-         gthread) 
+         gthread)
              pkg_config_args="$pkg_config_args gthread-2.0"
          ;;
       esac
@@ -92,7 +92,7 @@ dnl
 #include <stdio.h>
 #include <stdlib.h>
 
-int 
+int
 main ()
 {
   int major, minor, micro;
@@ -111,7 +111,7 @@ main ()
       (glib_minor_version != $glib_config_minor_version) ||
       (glib_micro_version != $glib_config_micro_version))
     {
-      printf("\n*** 'pkg-config --modversion glib-2.0' returned %d.%d.%d, but GLIB (%d.%d.%d)\n", 
+      printf("\n*** 'pkg-config --modversion glib-2.0' returned %d.%d.%d, but GLIB (%d.%d.%d)\n",
              $glib_config_major_version, $glib_config_minor_version, $glib_config_micro_version,
              glib_major_version, glib_minor_version, glib_micro_version);
       printf ("*** was found! If pkg-config was correct, then it is best\n");
@@ -121,7 +121,7 @@ main ()
       printf("*** required on your system.\n");
       printf("*** If pkg-config was wrong, set the environment variable PKG_CONFIG_PATH\n");
       printf("*** to point to the correct configuration files\n");
-    } 
+    }
   else if ((glib_major_version != GLIB_MAJOR_VERSION) ||
 	   (glib_minor_version != GLIB_MINOR_VERSION) ||
            (glib_micro_version != GLIB_MICRO_VERSION))
@@ -165,12 +165,12 @@ main ()
   fi
   if test "x$no_glib" = x ; then
      AC_MSG_RESULT(yes (version $glib_config_major_version.$glib_config_minor_version.$glib_config_micro_version))
-     ifelse([$2], , :, [$2])     
+     ifelse([$2], , :, [$2])
   else
      AC_MSG_RESULT(no)
      if test "$PKG_CONFIG" = "no" ; then
        echo "*** A new enough version of pkg-config was not found."
-       echo "*** See http://www.freedesktop.org/software/pkgconfig/"
+       echo "*** See https://www.freedesktop.org/software/pkgconfig/"
      else
        if test -f conf.glibtest ; then
         :
diff --git a/m4/libtool.m4 b/m4/libtool.m4
index ff871a0a..0d340c73 100644
--- a/m4/libtool.m4
+++ b/m4/libtool.m4
@@ -34,7 +34,7 @@ m4_define([_LT_COPYING], [dnl
 #
 # You should have received a copy of the GNU General Public License
 # along with GNU Libtool; see the file COPYING.  If not, a copy
-# can be downloaded from http://www.gnu.org/licenses/gpl.html, or
+# can be downloaded from https://www.gnu.org/licenses/gpl.html, or
 # obtained by writing to the Free Software Foundation, Inc.,
 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 ])
diff --git a/m4/pkg.m4 b/m4/pkg.m4
index c29b6c05..5865daf1 100644
--- a/m4/pkg.m4
+++ b/m4/pkg.m4
@@ -1,5 +1,5 @@
 # pkg.m4 - Macros to locate and utilise pkg-config.            -*- Autoconf -*-
-# 
+#
 # Copyright © 2004 Scott James Remnant <scott@netsplit.com>.
 #
 # This program is free software; you can redistribute it and/or modify
@@ -39,7 +39,7 @@ if test -n "$PKG_CONFIG"; then
 		AC_MSG_RESULT([no])
 		PKG_CONFIG=""
 	fi
-		
+
 fi[]dnl
 ])# PKG_PROG_PKG_CONFIG
 
@@ -120,7 +120,7 @@ if test $pkg_failed = yes; then
         _PKG_SHORT_ERRORS_SUPPORTED
         if test $_pkg_short_errors_supported = yes; then
 	        $1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --errors-to-stdout --print-errors "$2"`
-        else 
+        else
 	        $1[]_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
         fi
 	# Put the nasty error message in config.log where it belongs
@@ -146,7 +146,7 @@ path to pkg-config.
 
 _PKG_TEXT
 
-To get pkg-config, see <http://www.freedesktop.org/software/pkgconfig>.])],
+To get pkg-config, see <https://www.freedesktop.org/software/pkgconfig>.])],
 		[$4])
 else
 	$1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS
diff --git a/src/Makefile.am b/src/Makefile.am
index 71f2b3af..ce6f1d4e 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -14,7 +14,7 @@
 # Public License for more details.
 #
 # You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, see <http://www.gnu.org/licenses/>.
+# License along with this program; if not, see <https://www.gnu.org/licenses/>.
 
 ## Process this file with automake to produce Makefile.in
 
diff --git a/src/argparse.c b/src/argparse.c
index 003334f9..758173f8 100644
--- a/src/argparse.c
+++ b/src/argparse.c
@@ -26,7 +26,7 @@
  *
  * You should have received a copies of the GNU General Public License
  * and the GNU Lesser General Public License along with this program;
- * if not, see <http://www.gnu.org/licenses/>.
+ * if not, see <https://www.gnu.org/licenses/>.
  */
 
 /* This file may be used as part of GnuPG or standalone.  A GnuPG
@@ -1518,7 +1518,7 @@ ARGPARSE_STR2(ARGPARSE_GPL_VERSION)
 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n"
 "GNU General Public License for more details.\n\n"
 "You should have received a copy of the GNU General Public License\n"
-"along with this software.  If not, see <http://www.gnu.org/licenses/>.\n";
+"along with this software.  If not, see <https://www.gnu.org/licenses/>.\n";
       break;
     case 40: /* short and long usage */
     case 41: p = ""; break;
diff --git a/src/argparse.h b/src/argparse.h
index 10b838fe..81e881df 100644
--- a/src/argparse.h
+++ b/src/argparse.h
@@ -25,7 +25,7 @@
  *
  * You should have received a copies of the GNU General Public License
  * and the GNU Lesser General Public License along with this program;
- * if not, see <http://www.gnu.org/licenses/>.
+ * if not, see <https://www.gnu.org/licenses/>.
  */
 
 #ifndef GNUPG_COMMON_ARGPARSE_H
diff --git a/src/b64dec.c b/src/b64dec.c
index 9a7efca1..c824786c 100644
--- a/src/b64dec.c
+++ b/src/b64dec.c
@@ -15,7 +15,7 @@
  * GNU Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ * along with this program; if not, see <https://www.gnu.org/licenses/>.
  */
 
 #include <config.h>
diff --git a/src/context.h b/src/context.h
index d915b994..1a8698c3 100644
--- a/src/context.h
+++ b/src/context.h
@@ -15,7 +15,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public
-   License along with this program; if not, see <http://www.gnu.org/licenses/>.
+   License along with this program; if not, see <https://www.gnu.org/licenses/>.
  */
 
 #ifndef CONTEXT_H
diff --git a/src/data-identify.c b/src/data-identify.c
index 615a4f3a..857d06c1 100644
--- a/src/data-identify.c
+++ b/src/data-identify.c
@@ -14,7 +14,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public
-   License along with this program; if not, see <http://www.gnu.org/licenses/>.
+   License along with this program; if not, see <https://www.gnu.org/licenses/>.
  */
 
 #if HAVE_CONFIG_H
diff --git a/src/dirinfo.c b/src/dirinfo.c
index b24a8a0f..a0cbc03e 100644
--- a/src/dirinfo.c
+++ b/src/dirinfo.c
@@ -14,7 +14,7 @@
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with this program; if not, see <http://www.gnu.org/licenses/>.
+ * License along with this program; if not, see <https://www.gnu.org/licenses/>.
  */
 
 #if HAVE_CONFIG_H
diff --git a/src/engine-assuan.c b/src/engine-assuan.c
index 4c7fe281..3e3b89f6 100644
--- a/src/engine-assuan.c
+++ b/src/engine-assuan.c
@@ -14,7 +14,7 @@
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with this program; if not, see <http://www.gnu.org/licenses/>.
+ * License along with this program; if not, see <https://www.gnu.org/licenses/>.
  */
 
 /*
diff --git a/src/engine-backend.h b/src/engine-backend.h
index cfc624d4..a8457afd 100644
--- a/src/engine-backend.h
+++ b/src/engine-backend.h
@@ -14,7 +14,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public
-   License along with this program; if not, see <http://www.gnu.org/licenses/>.
+   License along with this program; if not, see <https://www.gnu.org/licenses/>.
  */
 
 #ifndef ENGINE_BACKEND_H
diff --git a/src/engine-gpg.c b/src/engine-gpg.c
index 7afeb5ce..3ddaa07f 100644
--- a/src/engine-gpg.c
+++ b/src/engine-gpg.c
@@ -16,7 +16,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public
-   License along with this program; if not, see <http://www.gnu.org/licenses/>.
+   License along with this program; if not, see <https://www.gnu.org/licenses/>.
 */
 
 #if HAVE_CONFIG_H
diff --git a/src/engine-gpgconf.c b/src/engine-gpgconf.c
index 25c798e6..2ea86738 100644
--- a/src/engine-gpgconf.c
+++ b/src/engine-gpgconf.c
@@ -16,7 +16,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public
-   License along with this program; if not, see <http://www.gnu.org/licenses/>.
+   License along with this program; if not, see <https://www.gnu.org/licenses/>.
  */
 
 #if HAVE_CONFIG_H
diff --git a/src/engine-spawn.c b/src/engine-spawn.c
index d2c7dd62..1cd4421e 100644
--- a/src/engine-spawn.c
+++ b/src/engine-spawn.c
@@ -14,7 +14,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public
-   License along with this program; if not, see <http://www.gnu.org/licenses/>.
+   License along with this program; if not, see <https://www.gnu.org/licenses/>.
 */
 
 #if HAVE_CONFIG_H
diff --git a/src/engine.c b/src/engine.c
index d542b25c..75d9ff7b 100644
--- a/src/engine.c
+++ b/src/engine.c
@@ -15,7 +15,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public
-   License along with this program; if not, see <http://www.gnu.org/licenses/>.
+   License along with this program; if not, see <https://www.gnu.org/licenses/>.
 */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/export.c b/src/export.c
index 41a9ebaf..cd94050d 100644
--- a/src/export.c
+++ b/src/export.c
@@ -15,7 +15,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public
-   License along with this program; if not, see <http://www.gnu.org/licenses/>.
+   License along with this program; if not, see <https://www.gnu.org/licenses/>.
  */
 
 #if HAVE_CONFIG_H
diff --git a/src/genkey.c b/src/genkey.c
index 9dcf0be8..ea3f1ea4 100644
--- a/src/genkey.c
+++ b/src/genkey.c
@@ -15,7 +15,7 @@
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with this program; if not, see <http://www.gnu.org/licenses/>.
+ * License along with this program; if not, see <https://www.gnu.org/licenses/>.
  */
 
 #if HAVE_CONFIG_H
diff --git a/src/getauditlog.c b/src/getauditlog.c
index e2ba25e7..dbaf260e 100644
--- a/src/getauditlog.c
+++ b/src/getauditlog.c
@@ -15,7 +15,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public
-   License along with this program; if not, see <http://www.gnu.org/licenses/>.
+   License along with this program; if not, see <https://www.gnu.org/licenses/>.
  */
 
 #if HAVE_CONFIG_H
diff --git a/src/gpgme-tool.c b/src/gpgme-tool.c
index fb158f13..3e2dc785 100644
--- a/src/gpgme-tool.c
+++ b/src/gpgme-tool.c
@@ -15,7 +15,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public
-   License along with this program; if not, see <http://www.gnu.org/licenses/>.
+   License along with this program; if not, see <https://www.gnu.org/licenses/>.
  */
 
 #if HAVE_CONFIG_H
diff --git a/src/gpgme-w32spawn.c b/src/gpgme-w32spawn.c
index b510ba3a..003b9b03 100644
--- a/src/gpgme-w32spawn.c
+++ b/src/gpgme-w32spawn.c
@@ -14,7 +14,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public
-   License along with this program; if not, see <http://www.gnu.org/licenses/>.
+   License along with this program; if not, see <https://www.gnu.org/licenses/>.
  */
 
 
diff --git a/src/gpgme.c b/src/gpgme.c
index 1a10fd91..cf767c72 100644
--- a/src/gpgme.c
+++ b/src/gpgme.c
@@ -16,7 +16,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public
-   License along with this program; if not, see <http://www.gnu.org/licenses/>.
+   License along with this program; if not, see <https://www.gnu.org/licenses/>.
  */
 
 #if HAVE_CONFIG_H
diff --git a/src/keylist.c b/src/keylist.c
index 6e22e167..2ce08462 100644
--- a/src/keylist.c
+++ b/src/keylist.c
@@ -16,7 +16,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public
-   License along with this program; if not, see <http://www.gnu.org/licenses/>.
+   License along with this program; if not, see <https://www.gnu.org/licenses/>.
  */
 
 #if HAVE_CONFIG_H
diff --git a/src/keysign.c b/src/keysign.c
index 7d08c11e..c2fcabb5 100644
--- a/src/keysign.c
+++ b/src/keysign.c
@@ -14,7 +14,7 @@
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with this program; if not, see <http://www.gnu.org/licenses/>.
+ * License along with this program; if not, see <https://www.gnu.org/licenses/>.
  */
 
 #if HAVE_CONFIG_H
diff --git a/src/mbox-util.c b/src/mbox-util.c
index 81e929bd..0dafc2a2 100644
--- a/src/mbox-util.c
+++ b/src/mbox-util.c
@@ -15,7 +15,7 @@
  * GNU Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ * along with this program; if not, see <https://www.gnu.org/licenses/>.
  */
 
 /* NB: This code has been taken from GnuPG.  Please keep it in sync
diff --git a/src/mbox-util.h b/src/mbox-util.h
index c5747b62..8be1343a 100644
--- a/src/mbox-util.h
+++ b/src/mbox-util.h
@@ -14,7 +14,7 @@
  * GNU Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ * along with this program; if not, see <https://www.gnu.org/licenses/>.
  */
 #ifndef GNUPG_COMMON_MBOX_UTIL_H
 #define GNUPG_COMMON_MBOX_UTIL_H
diff --git a/src/op-support.c b/src/op-support.c
index 9f10cd32..d9217ecd 100644
--- a/src/op-support.c
+++ b/src/op-support.c
@@ -14,7 +14,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public
-   License along with this program; if not, see <http://www.gnu.org/licenses/>.
+   License along with this program; if not, see <https://www.gnu.org/licenses/>.
  */
 
 #if HAVE_CONFIG_H
diff --git a/src/opassuan.c b/src/opassuan.c
index e58240c7..2bbaacd8 100644
--- a/src/opassuan.c
+++ b/src/opassuan.c
@@ -14,7 +14,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public
-   License along with this program; if not, see <http://www.gnu.org/licenses/>.
+   License along with this program; if not, see <https://www.gnu.org/licenses/>.
  */
 
 #if HAVE_CONFIG_H
diff --git a/src/parsetlv.c b/src/parsetlv.c
index 70c95189..b311a73f 100644
--- a/src/parsetlv.c
+++ b/src/parsetlv.c
@@ -12,7 +12,7 @@
  * GNU Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ * along with this program; if not, see <https://www.gnu.org/licenses/>.
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/parsetlv.h b/src/parsetlv.h
index 153073c1..bea03d4d 100644
--- a/src/parsetlv.h
+++ b/src/parsetlv.h
@@ -12,7 +12,7 @@
  * GNU Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ * along with this program; if not, see <https://www.gnu.org/licenses/>.
  */
 
 #ifndef PARSETLV_H
diff --git a/src/passwd.c b/src/passwd.c
index c34f3577..5bd67a52 100644
--- a/src/passwd.c
+++ b/src/passwd.c
@@ -14,7 +14,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public
-   License along with this program; if not, see <http://www.gnu.org/licenses/>.
+   License along with this program; if not, see <https://www.gnu.org/licenses/>.
  */
 
 #if HAVE_CONFIG_H
diff --git a/src/posix-io.c b/src/posix-io.c
index c903072c..5296f5fc 100644
--- a/src/posix-io.c
+++ b/src/posix-io.c
@@ -15,7 +15,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public
-   License along with this program; if not, see <http://www.gnu.org/licenses/>.
+   License along with this program; if not, see <https://www.gnu.org/licenses/>.
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/queryswdb.c b/src/queryswdb.c
index ce50b1e8..698a419b 100644
--- a/src/queryswdb.c
+++ b/src/queryswdb.c
@@ -14,7 +14,7 @@
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with this program; if not, see <http://www.gnu.org/licenses/>.
+ * License along with this program; if not, see <https://www.gnu.org/licenses/>.
  */
 
 #if HAVE_CONFIG_H
diff --git a/src/sys-util.h b/src/sys-util.h
index 541c5575..094399c4 100644
--- a/src/sys-util.h
+++ b/src/sys-util.h
@@ -14,7 +14,7 @@
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with this program; if not, see <http://www.gnu.org/licenses/>.
+ * License along with this program; if not, see <https://www.gnu.org/licenses/>.
  */
 
 #ifndef SYS_UTIL_H
diff --git a/src/tofupolicy.c b/src/tofupolicy.c
index 799779e5..460e3ba8 100644
--- a/src/tofupolicy.c
+++ b/src/tofupolicy.c
@@ -14,7 +14,7 @@
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with this program; if not, see <http://www.gnu.org/licenses/>.
+ * License along with this program; if not, see <https://www.gnu.org/licenses/>.
  */
 
 #if HAVE_CONFIG_H
diff --git a/src/ttyname_r.c b/src/ttyname_r.c
index eed28bd7..7aed79e8 100644
--- a/src/ttyname_r.c
+++ b/src/ttyname_r.c
@@ -14,7 +14,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public
-   License along with this program; if not, see <http://www.gnu.org/licenses/>.
+   License along with this program; if not, see <https://www.gnu.org/licenses/>.
  */
 
 #if HAVE_CONFIG_H
diff --git a/src/w32-ce.c b/src/w32-ce.c
index e42f053c..e326bfef 100644
--- a/src/w32-ce.c
+++ b/src/w32-ce.c
@@ -15,7 +15,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public
-   License along with this program; if not, see <http://www.gnu.org/licenses/>.
+   License along with this program; if not, see <https://www.gnu.org/licenses/>.
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/w32-util.c b/src/w32-util.c
index 0dc12881..ad36c9ac 100644
--- a/src/w32-util.c
+++ b/src/w32-util.c
@@ -16,7 +16,7 @@
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with this program; if not, see <http://www.gnu.org/licenses/>.
+ * License along with this program; if not, see <https://www.gnu.org/licenses/>.
  **/
 
 #ifdef HAVE_CONFIG_H
diff --git a/tests/Makefile.am b/tests/Makefile.am
index e8c7c564..30c35f09 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -15,7 +15,7 @@
 # Public License for more details.
 #
 # You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, see <http://www.gnu.org/licenses/>.
+# License along with this program; if not, see <https://www.gnu.org/licenses/>.
 
 ## Process this file with automake to produce Makefile.in
 
diff --git a/tests/gpg/t-decrypt-verify.c b/tests/gpg/t-decrypt-verify.c
index b774cfdd..653d74e9 100644
--- a/tests/gpg/t-decrypt-verify.c
+++ b/tests/gpg/t-decrypt-verify.c
@@ -15,7 +15,7 @@
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with this program; if not, see <http://www.gnu.org/licenses/>.
+ * License along with this program; if not, see <https://www.gnu.org/licenses/>.
  */
 
 /* We need to include config.h so that we know whether we are building
diff --git a/tests/gpgsm/cms-decrypt.c b/tests/gpgsm/cms-decrypt.c
index 580832d5..794f0131 100644
--- a/tests/gpgsm/cms-decrypt.c
+++ b/tests/gpgsm/cms-decrypt.c
@@ -14,7 +14,7 @@
    Lesser General Public License for more details.
    
    You should have received a copy of the GNU Lesser General Public
-   License along with this program; if not, see <http://www.gnu.org/licenses/>.
+   License along with this program; if not, see <https://www.gnu.org/licenses/>.
 */
 
 /* We need to include config.h so that we know whether we are building
diff --git a/tests/gpgsm/cms-keylist.c b/tests/gpgsm/cms-keylist.c
index 7ed3a4e8..ffe17e20 100644
--- a/tests/gpgsm/cms-keylist.c
+++ b/tests/gpgsm/cms-keylist.c
@@ -14,7 +14,7 @@
    Lesser General Public License for more details.
    
    You should have received a copy of the GNU Lesser General Public
-   License along with this program; if not, see <http://www.gnu.org/licenses/>.
+   License along with this program; if not, see <https://www.gnu.org/licenses/>.
 */
 
 /* We need to include config.h so that we know whether we are building
diff --git a/tests/opassuan/t-command.c b/tests/opassuan/t-command.c
index 9c791eee..fd0ea71c 100644
--- a/tests/opassuan/t-command.c
+++ b/tests/opassuan/t-command.c
@@ -14,7 +14,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public
-   License along with this program; if not, see <http://www.gnu.org/licenses/>.
+   License along with this program; if not, see <https://www.gnu.org/licenses/>.
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/tests/run-decrypt.c b/tests/run-decrypt.c
index d8ff00f4..8bcca0e5 100644
--- a/tests/run-decrypt.c
+++ b/tests/run-decrypt.c
@@ -15,7 +15,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public
-   License along with this program; if not, see <http://www.gnu.org/licenses/>.
+   License along with this program; if not, see <https://www.gnu.org/licenses/>.
 */
 
 /* We need to include config.h so that we know whether we are building
diff --git a/tests/run-encrypt.c b/tests/run-encrypt.c
index b94b0288..fd868368 100644
--- a/tests/run-encrypt.c
+++ b/tests/run-encrypt.c
@@ -14,7 +14,7 @@
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with this program; if not, see <http://www.gnu.org/licenses/>.
+ * License along with this program; if not, see <https://www.gnu.org/licenses/>.
  */
 
 /* We need to include config.h so that we know whether we are building
diff --git a/tests/run-export.c b/tests/run-export.c
index b133f130..0bb54686 100644
--- a/tests/run-export.c
+++ b/tests/run-export.c
@@ -14,7 +14,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public
-   License along with this program; if not, see <http://www.gnu.org/licenses/>.
+   License along with this program; if not, see <https://www.gnu.org/licenses/>.
 */
 
 /* We need to include config.h so that we know whether we are building
diff --git a/tests/run-genkey.c b/tests/run-genkey.c
index 20e7db50..c5abc423 100644
--- a/tests/run-genkey.c
+++ b/tests/run-genkey.c
@@ -14,7 +14,7 @@
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with this program; if not, see <http://www.gnu.org/licenses/>.
+ * License along with this program; if not, see <https://www.gnu.org/licenses/>.
  */
 
 /* We need to include config.h so that we know whether we are building
diff --git a/tests/run-identify.c b/tests/run-identify.c
index d5ce55fa..01e9671f 100644
--- a/tests/run-identify.c
+++ b/tests/run-identify.c
@@ -14,7 +14,7 @@
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with this program; if not, see <http://www.gnu.org/licenses/>.
+ * License along with this program; if not, see <https://www.gnu.org/licenses/>.
  */
 
 /* We need to include config.h so that we know whether we are building
diff --git a/tests/run-import.c b/tests/run-import.c
index 9225f610..081c0fa3 100644
--- a/tests/run-import.c
+++ b/tests/run-import.c
@@ -14,7 +14,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public
-   License along with this program; if not, see <http://www.gnu.org/licenses/>.
+   License along with this program; if not, see <https://www.gnu.org/licenses/>.
 */
 
 /* We need to include config.h so that we know whether we are building
diff --git a/tests/run-keylist.c b/tests/run-keylist.c
index 647a9ed2..93fbeb5f 100644
--- a/tests/run-keylist.c
+++ b/tests/run-keylist.c
@@ -14,7 +14,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public
-   License along with this program; if not, see <http://www.gnu.org/licenses/>.
+   License along with this program; if not, see <https://www.gnu.org/licenses/>.
 */
 
 /* We need to include config.h so that we know whether we are building
diff --git a/tests/run-keysign.c b/tests/run-keysign.c
index f5a13e42..5f6cfced 100644
--- a/tests/run-keysign.c
+++ b/tests/run-keysign.c
@@ -14,7 +14,7 @@
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with this program; if not, see <http://www.gnu.org/licenses/>.
+ * License along with this program; if not, see <https://www.gnu.org/licenses/>.
  */
 
 /* We need to include config.h so that we know whether we are building
diff --git a/tests/run-sign.c b/tests/run-sign.c
index f790cb64..9f2e1751 100644
--- a/tests/run-sign.c
+++ b/tests/run-sign.c
@@ -14,7 +14,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public
-   License along with this program; if not, see <http://www.gnu.org/licenses/>.
+   License along with this program; if not, see <https://www.gnu.org/licenses/>.
 */
 
 /* We need to include config.h so that we know whether we are building
diff --git a/tests/run-support.h b/tests/run-support.h
index e4a4f703..841b2232 100644
--- a/tests/run-support.h
+++ b/tests/run-support.h
@@ -15,7 +15,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public
-   License along with this program; if not, see <http://www.gnu.org/licenses/>.
+   License along with this program; if not, see <https://www.gnu.org/licenses/>.
 */
 
 #include <unistd.h>
diff --git a/tests/run-swdb.c b/tests/run-swdb.c
index 91ed22f3..a3732549 100644
--- a/tests/run-swdb.c
+++ b/tests/run-swdb.c
@@ -14,7 +14,7 @@
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with this program; if not, see <http://www.gnu.org/licenses/>.
+ * License along with this program; if not, see <https://www.gnu.org/licenses/>.
  */
 
 /* We need to include config.h so that we know whether we are building
diff --git a/tests/run-tofu.c b/tests/run-tofu.c
index 9e3b1172..1f11c2d6 100644
--- a/tests/run-tofu.c
+++ b/tests/run-tofu.c
@@ -14,7 +14,7 @@
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with this program; if not, see <http://www.gnu.org/licenses/>.
+ * License along with this program; if not, see <https://www.gnu.org/licenses/>.
  */
 
 /* We need to include config.h so that we know whether we are building
diff --git a/tests/run-verify.c b/tests/run-verify.c
index 22242c00..3abc5728 100644
--- a/tests/run-verify.c
+++ b/tests/run-verify.c
@@ -14,7 +14,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public
-   License along with this program; if not, see <http://www.gnu.org/licenses/>.
+   License along with this program; if not, see <https://www.gnu.org/licenses/>.
 */
 
 /* We need to include config.h so that we know whether we are building