diff --git a/ChangeLog b/ChangeLog
index 4931d63d..d6a2bcb1 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2011-08-27  Joerg Wunsch <j.gnu@uriah.heep.sax.de>
+
+	* configure.ac: Bump version for releasing AVRDUDE 5.11.
+
 2011-08-26  Joerg Wunsch <j.gnu@uriah.heep.sax.de>
 
 	* avrdude.1: Update the list of supported AVR devices.
diff --git a/configure.ac b/configure.ac
index e6e4a39a..b5ba7cf8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -24,7 +24,7 @@
 # Process this file with autoconf to produce a configure script.
 
 AC_PREREQ(2.57)
-AC_INIT(avrdude, 5.10svn, avrdude-dev@nongnu.org)
+AC_INIT(avrdude, 5.11, avrdude-dev@nongnu.org)
 
 AC_CANONICAL_BUILD
 AC_CANONICAL_HOST