diff --git a/configure.in b/configure.in
index 58b88a0b7..0da40f095 100644
--- a/configure.in
+++ b/configure.in
@@ -1,8 +1,8 @@
 AC_PREREQ(2.50)
 
 m4_define([mutter_major_version], [2])
-m4_define([mutter_minor_version], [29])
-m4_define([mutter_micro_version], [1])
+m4_define([mutter_minor_version], [31])
+m4_define([mutter_micro_version], [2])
 
 m4_define([mutter_version],
           [mutter_major_version.mutter_minor_version.mutter_micro_version])