diff --git a/configure.in b/configure.in
index 2dfa2d0b420..a03f009dca2 100644
--- a/configure.in
+++ b/configure.in
@@ -5,7 +5,7 @@ AC_INIT(sql/mysqld.cc)
 AC_CANONICAL_SYSTEM
 # The Docs Makefile.am parses this line!
 # remember to also change ndb version below and update version.c in ndb
-AM_INIT_AUTOMAKE(mysql, 4.1.20)
+AM_INIT_AUTOMAKE(mysql, 4.1.21)
 AM_CONFIG_HEADER(config.h)
 
 PROTOCOL_VERSION=10