diff --git a/doap_lang.rdf b/doap_lang.rdf
index 153c1e94b..6471cbb0a 100644
--- a/doap_lang.rdf
+++ b/doap_lang.rdf
@@ -38,6 +38,11 @@
       </SVNRepository>
     </repository>
     <release>
+      <Version>
+        <name>commons-lang</name>
+        <created>2011-11-14</created>
+        <revision>3.1</revision>
+      </Version>
       <Version>
         <name>commons-lang</name>
         <created>2011-07-18</created>