diff --git a/cxgn/sgn b/cxgn/sgn
index 5f297b7..2f9f0fb 160000
--- a/cxgn/sgn
+++ b/cxgn/sgn
@@ -1 +1 @@
-Subproject commit 5f297b724eb8b8ff6475670e268d2340057cdbb6
+Subproject commit 2f9f0fbff645f787cc02b2629a7d618a79fb24b4