diff --git a/graph.nt.source b/graph.nt.source
index d087f1afa..f5edffc5c 100644
--- a/graph.nt.source
+++ b/graph.nt.source
@@ -1,2 +1,2 @@
 git@github.com:AKSW/leipzig.dataweek.de-model.git
-26f0974a03673732bc4730f92e82f042e79db726
+646ea8dcd1b805fe050d2b8267a1b8ce0d6b977f