diff --git a/packager/0install/parallel.xml b/packager/0install/parallel.xml
index 158b8808..2d0a9e5f 100644
--- a/packager/0install/parallel.xml
+++ b/packager/0install/parallel.xml
@@ -135,11 +135,15 @@ xargs or cat | sh.</description>
 		<implementation id="sha1new=7d21f515041cca4aab022a9f7a8bd059361a1fcd" released="2012-10-24" version="20121022">
     <manifest-digest sha256="14105011185071fe5594d8ce6d796cf1c0d5d34ea375652042168fb8bebea032"/>
     <archive extract="parallel-20121022" href="http://ftp.gnu.org/gnu/parallel/parallel-20121022.tar.bz2" size="235026"/>
+  </implementation>
+		<implementation id="sha1new=49d033e60c065c18993fd129a632d2b9951f963a" released="2012-12-23" version="20121222">
+    <manifest-digest sha256="501ed8303ef8e9a8061563acf58673038262204b77c4b4192e2ca445b13c2412"/>
+    <archive extract="parallel-20121222" href="http://ftp.gnu.org/gnu/parallel/parallel-20121222.tar.bz2" size="237603"/>
   </implementation>
 	</group>
 </interface>
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