diff --git a/configure.in b/configure.in
index 9a24acbfe..cc56daff0 100644
--- a/configure.in
+++ b/configure.in
@@ -2,7 +2,7 @@
 AC_INIT(README)
 AC_CANONICAL_SYSTEM
 AM_CONFIG_HEADER(config.h)
-AM_INIT_AUTOMAKE(gtk-sharp, 0.12)
+AM_INIT_AUTOMAKE(gtk-sharp, 0.13)
 AM_MAINTAINER_MODE
 
 AC_CHECK_TOOL(CC, gcc, gcc)