diff --git a/openflow_input/bsn_acl b/openflow_input/bsn_acl
index 4035904..bcca842 100644
--- a/openflow_input/bsn_acl
+++ b/openflow_input/bsn_acl
@@ -30,6 +30,7 @@
 // Copyright (c) 2011, 2012 Open Networking Foundation
 
 #version 4
+#version 5
 
 // Instructions to express control flow in ACL tables