diff --git a/configure.ac b/configure.ac
index fe6199d9a9..b912d36be7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -10,8 +10,8 @@
 
 m4_define([gtk_major_version], [3])
 m4_define([gtk_minor_version], [2])
-m4_define([gtk_micro_version], [4])
-m4_define([gtk_interface_age], [4])
+m4_define([gtk_micro_version], [5])
+m4_define([gtk_interface_age], [5])
 m4_define([gtk_binary_age],
           [m4_eval(100 * gtk_minor_version + gtk_micro_version)])
 m4_define([gtk_version],