diff --git a/avrdude/configure.ac b/avrdude/configure.ac
index 094d3797..48164f46 100644
--- a/avrdude/configure.ac
+++ b/avrdude/configure.ac
@@ -24,7 +24,7 @@
 # Process this file with autoconf to produce a configure script.
 
 AC_PREREQ(2.57)
-AC_INIT(avrdude, 5.2, avrdude-dev@nongnu.org)
+AC_INIT(avrdude, 5.2cvs, avrdude-dev@nongnu.org)
 
 AC_CANONICAL_BUILD
 AC_CANONICAL_HOST