diff --git a/configure.ac b/configure.ac
index 11b5e32d5..68244ee82 100644
--- a/configure.ac
+++ b/configure.ac
@@ -11,8 +11,8 @@
 # - increase clutter_micro_version to the next odd number
 # - increase clutter_interface_version to the next odd number
 m4_define([clutter_major_version], [1])
-m4_define([clutter_minor_version], [2])
-m4_define([clutter_micro_version], [3])
+m4_define([clutter_minor_version], [3])
+m4_define([clutter_micro_version], [1])
 
 m4_define([clutter_release_status],
           [m4_if(m4_eval(clutter_micro_version % 2), [1], [git],
@@ -42,7 +42,7 @@ m4_define([clutter_api_version], [1.0])
 #   clutter 1.2.10 -> 100 * 2 + 10 = 210, interface age = 4 -> 206
 #   ...
 #
-m4_define([clutter_interface_age], [3])
+m4_define([clutter_interface_age], [0])
 m4_define([clutter_binary_age], [m4_eval(100 * clutter_minor_version + clutter_micro_version)])
 
 AC_PREREQ([2.59])