diff --git a/ChangeLog b/ChangeLog
index 369d2a276..5d234b02c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2008-02-12  Thomas Thurman  <tthurman@gnome.org>
+
+        * configure.in: Post-branch bump to 2.23.0.
+
 2008-02-12  Thomas Thurman  <tthurman@gnome.org>
 
         * configure.in: Post-release bump to 2.21.21.
diff --git a/configure.in b/configure.in
index 1d391c399..e008332fe 100644
--- a/configure.in
+++ b/configure.in
@@ -1,10 +1,10 @@
 AC_PREREQ(2.50)
 
 m4_define([metacity_major_version], [2])
-m4_define([metacity_minor_version], [21])
+m4_define([metacity_minor_version], [23])
 # 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], [21])
+m4_define([metacity_micro_version], [0])
 
 m4_define([metacity_version],
           [metacity_major_version.metacity_minor_version.metacity_micro_version])