diff --git a/packager/0install/parallel.xml b/packager/0install/parallel.xml
index 49e08bae..a2d76869 100644
--- a/packager/0install/parallel.xml
+++ b/packager/0install/parallel.xml
@@ -93,11 +93,15 @@ xargs or cat | sh.</description>
 		<implementation id="sha1new=c6b576580bba13b701d6dc8e61d19d08006845c6" released="2011-11-23" version="20111122">
     <manifest-digest sha256="7dfb909955ab1edd9674e712002383db09bf1623a9501370b08983d221bb3d02"/>
     <archive extract="parallel-20111122" href="http://ftp.gnu.org/gnu/parallel/parallel-20111122.tar.bz2" size="183684"/>
+  </implementation>
+		<implementation id="sha1new=fd6ce0ed76b725f7eceb8010c017188da4044bba" released="2011-12-22" version="20111222">
+    <manifest-digest sha256="7f53823ce997117f9cc1c67acd166b98ec7b53d609718aa6cbc7bd73488db315"/>
+    <archive extract="parallel-20111222" href="http://ftp.gnu.org/gnu/parallel/parallel-20111222.tar.bz2" size="184607"/>
   </implementation>
 	</group>
 </interface>
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