diff --git a/ChangeLog b/ChangeLog
index ecc3bafc..b41a7348 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2013-12-05  Joerg Wunsch <j.gnu@uriah.heep.sax.de>
+
+	* configure.ac: bump version to 6.1-svn-20131205
+
 2013-12-05  Joerg Wunsch <j.gnu@uriah.heep.sax.de>
 
 	bug #40817: Elf file support (possibly) not working on 6.0.1 windows build
diff --git a/configure.ac b/configure.ac
index 2e8f62a0..a3a3739c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -23,7 +23,7 @@
 # Process this file with autoconf to produce a configure script.
 
 AC_PREREQ(2.60)
-AC_INIT(avrdude, 6.1-svn-20130917, avrdude-dev@nongnu.org)
+AC_INIT(avrdude, 6.1-svn-20131205, avrdude-dev@nongnu.org)
 
 AC_CANONICAL_BUILD
 AC_CANONICAL_HOST