1 files changed, 2 insertions, 1 deletions
diff --git a/gtk2.morph b/gtk2.morph
index 2a2e8fbf..24131d4c 100644
--- a/gtk2.morph
+++ b/gtk2.morph
@@ -49,7 +49,8 @@ chunks:
   build-depends: []
 - name: colm
   repo: upstream:colm
-  ref: master
+  ref: 746b80d9b15dceca54dff43123d56ffcb6e42f06 
+  unpetrify-ref: 0.11.1 
   build-depends: []
 - name: ragel
   repo: upstream:ragel