diff --git a/configure.ac b/configure.ac
index 2aebe3e55..3de33fcf5 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], [5])
-m4_define([clutter_micro_version], [15])
+m4_define([clutter_minor_version], [6])
+m4_define([clutter_micro_version], [0])
 
 # increase the interface age by 1 for each release; if the API changes,
 # set to 0. interface_age and binary_age are used to create the soname