diff --git a/configure.ac b/configure.ac
index 8e0c4ae44..6465596e2 100644
--- a/configure.ac
+++ b/configure.ac
@@ -12,7 +12,7 @@
 # - increase clutter_interface_version to the next odd number
 m4_define([clutter_major_version], [1])
 m4_define([clutter_minor_version], [3])
-m4_define([clutter_micro_version], [12])
+m4_define([clutter_micro_version], [13])
 
 m4_define([clutter_release_status],
           [m4_if(m4_eval(clutter_micro_version % 2), [1], [git],