diff --git a/bin/offlineimap b/bin/offlineimap
index b6bdf1f..ce0e067 100755
--- a/bin/offlineimap
+++ b/bin/offlineimap
@@ -18,4 +18,4 @@
 #    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 
 from offlineimap import init
-init.startup('5.99.12')
+init.startup('5.99.13')
diff --git a/debian/changelog b/debian/changelog
index 1819e4e..02bd013 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,10 @@
+offlineimap (5.99.13) unstable; urgency=low
+
+  * Revert Darwin memory leak workaround patch; it was causing network
+    communication issues.  Closes: #479677.
+
+ -- John Goerzen <jgoerzen@complete.org>  Tue, 06 May 2008 08:49:56 -0500
+
 offlineimap (5.99.12) unstable; urgency=low
 
   * Finally fix LocalStatus folders.  Closes: #478990.
diff --git a/offlineimap.py b/offlineimap.py
index 4690a55..a2020f6 100755
--- a/offlineimap.py
+++ b/offlineimap.py
@@ -18,4 +18,4 @@
 #    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
 from offlineimap import init
-init.startup('5.99.12')
+init.startup('5.99.13')
diff --git a/offlineimap/version.py b/offlineimap/version.py
index bee14a4..19c024c 100644
--- a/offlineimap/version.py
+++ b/offlineimap/version.py
@@ -1,5 +1,5 @@
 productname = 'OfflineIMAP'
-versionstr = "5.99.12"
+versionstr = "5.99.13"
 
 versionlist = versionstr.split(".")
 major = versionlist[0]