diff --git a/ChangeLog b/ChangeLog
index 683cd1c8..f666ea0a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2006-01-23  Joerg Wunsch <j@uriah.heep.sax.de>
+
+	* configure.in: Bump version.
+
 2006-01-17 Colin O'Flynn <coflynn@newae.com>
     * main.c: Fixed a typo in safemode variable names, fixed bug 15113
     * avrdude.conf.in : Added BS2 and pagel to M162, Patch 4766
diff --git a/NEWS b/NEWS
index 6185f799..7d58837f 100644
--- a/NEWS
+++ b/NEWS
@@ -5,7 +5,7 @@ Approximate change log for AVRDUDE by version.
 (For more detailed changes, see the ChangeLog file.)
 
 ----------------------------------------------------------------------
-Current:
+Version 5.1:
 
   * New devices supported:
 
diff --git a/configure.ac b/configure.ac
index 20dbe53d..203f44f9 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, 5.0cvs, avrdude-dev@nongnu.org)
+AC_INIT(avrdude, 5.1, avrdude-dev@nongnu.org)
 
 AC_CANONICAL_BUILD
 AC_CANONICAL_HOST