diff --git a/TODO b/TODO
index 101da4d1..9c71ac6f 100644
--- a/TODO
+++ b/TODO
@@ -129,3 +129,4 @@ Hey Emacs, this is -*- outline -*- mode!
 
 * Build suite
 ** Make sure everything is cleaned correctly (esp. test area).
+** Cofnigure test for gpg and gpgsm version (as a warning).