diff --git a/pisi-spec.rng b/pisi-spec.rng
index aef76d28..ee89b631 100644
--- a/pisi-spec.rng
+++ b/pisi-spec.rng
@@ -259,6 +259,7 @@
                 <value>CCPL-Attribution-ShareAlike-2.5</value>
                 <value>CCPL-Attribution-ShareAlike-3.0</value>
                 <value>CCPL-Attribution-ShareAlike-NonCommercial-2.5</value>
+                <value>CCPL-Attribution-ShareAlike-NonCommercial-3.0</value>
                 <value>CCPL-ShareAlike-1.0</value>
                 <value>CDDL</value>
                 <value>CDDL-Schily</value>