diff --git a/ChangeLog b/ChangeLog
index 9bdfa81bd..b50480a94 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2013-01-03  Peter Stephenson  <pws@csr.com>
+
+	* unposted: Config/version.mk: update version to 5.0.2-dev-0
+	to avoid clash with release.
+
 2012-12-21  Peter Stephenson  <p.w.stephenson@ntlworld.com>
 
 	* unposted: README, Config/version.mk, Etc/FAQ.yo: release
@@ -412,5 +417,5 @@
 
 *****************************************************
 * This is used by the shell to define $ZSH_PATCHLEVEL
-* $Revision: 1.5778 $
+* $Revision: 1.5779 $
 *****************************************************
diff --git a/Config/version.mk b/Config/version.mk
index eca41f444..b755d739c 100644
--- a/Config/version.mk
+++ b/Config/version.mk
@@ -27,5 +27,5 @@
 # This must also serve as a shell script, so do not add spaces around the
 # `=' signs.
 
-VERSION=5.0.2
-VERSION_DATE='December 21, 2012'
+VERSION=5.0.2-dev-0
+VERSION_DATE='January 3, 2013'