diff --git a/ChangeLog b/ChangeLog
index 29676ee799..8f1b02a5db 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2009-02-02  Matthias Clasen  <mclasen@redhat.com>
+
+	* configure.in: Bump version
+
 2009-02-02  Matthias Clasen  <mclasen@redhat.com>
 
 	* === Released 2.15.3 ===
diff --git a/configure.in b/configure.in
index 6d01129c3b..859ee3e61a 100644
--- a/configure.in
+++ b/configure.in
@@ -12,7 +12,7 @@ AC_PREREQ(2.54)
 
 m4_define([gtk_major_version], [2])
 m4_define([gtk_minor_version], [15])
-m4_define([gtk_micro_version], [3])
+m4_define([gtk_micro_version], [4])
 m4_define([gtk_interface_age], [0])
 m4_define([gtk_binary_age],
           [m4_eval(100 * gtk_minor_version + gtk_micro_version)])