diff --git a/libguac/configure.in b/libguac/configure.in
index 633f7717..174df1bc 100644
--- a/libguac/configure.in
+++ b/libguac/configure.in
@@ -35,7 +35,7 @@
 # ***** END LICENSE BLOCK *****
 
 AC_INIT(src/client.c)
-AM_INIT_AUTOMAKE(libguac, 0.4.0)
+AM_INIT_AUTOMAKE(libguac, 0.5.0)
 AC_CONFIG_MACRO_DIR([m4])
 
 # Checks for programs.