diff --git a/ChangeLog b/ChangeLog
index f5b543abe3dfaf6d79b30f564bfe69e1f1c3f7c3..88627c0fa588e50e5cfcc53752d42dcad3ac4d26 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,7 @@
 2012-07-07  Niels Möller  <nisse@lysator.liu.se>
 
+	* configure.ac: Changed version number to 2.6.
+
 	* Released nettle-2.5.
 
 2012-07-05  Niels Möller  <nisse@lysator.liu.se>
diff --git a/configure.ac b/configure.ac
index 6bf2b8bd695a53d804e2a49d48bb98cb73ca0d1f..41526764f9ab764ebcaf54eb2036dcb6e3a243bc 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2,7 +2,7 @@ dnl -*- mode: shell-script; sh-indentation: 2; -*-
 
 dnl Process this file with autoconf to produce a configure script.
 
-AC_INIT([nettle], [2.5], [nettle-bugs@lists.lysator.liu.se])
+AC_INIT([nettle], [2.6], [nettle-bugs@lists.lysator.liu.se])
 AC_PREREQ(2.61)
 AC_CONFIG_SRCDIR([arcfour.c])
 # Needed to stop autoconf from looking for files in parent directories.