diff --git a/NEWS b/NEWS
index 82d49144..b7a6227d 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,7 @@
+Noteworthy changes in version 1.5.1 (unreleased) [C__/A__/R_]
+-------------------------------------------------------------
+
+
 Noteworthy changes in version 1.5.0 (2014-05-21) [C23/A12/R0]
 -------------------------------------------------------------
 
diff --git a/configure.ac b/configure.ac
index f3d3195a..92c9463d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -29,7 +29,7 @@ min_automake_version="1.11"
 # for the LT versions.
 m4_define(mym4_version_major, [1])
 m4_define(mym4_version_minor, [5])
-m4_define(mym4_version_micro, [0])
+m4_define(mym4_version_micro, [1])
 
 # Below is m4 magic to extract and compute the revision number, the
 # decimalized short revision number, a beta version string, and a flag