diff --git a/ChangeLog b/ChangeLog
index b9fef6a1d..52e8491ff 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2008-11-25  Thomas Thurman  <tthurman@gnome.org>
+
+        * configure.in: Post-release bump to 2.25.21.
+
 2008-11-25  Thomas Thurman  <tthurman@gnome.org>
 
         * NEWS: 2.25.13 release.
diff --git a/configure.in b/configure.in
index 22c0f4c0f..871c5deea 100644
--- a/configure.in
+++ b/configure.in
@@ -4,7 +4,7 @@ m4_define([metacity_major_version], [2])
 m4_define([metacity_minor_version], [25])
 # Fibonacci sequence for micro version numbering:
 # 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 610, 987
-m4_define([metacity_micro_version], [13])
+m4_define([metacity_micro_version], [21])
 
 m4_define([metacity_version],
           [metacity_major_version.metacity_minor_version.metacity_micro_version])