diff --git a/contracts b/contracts
index 67fb737..c311e6f 160000
--- a/contracts
+++ b/contracts
@@ -1 +1 @@
-Subproject commit 67fb73772ae7ecfb93109e9e42e8b33465a61ec0
+Subproject commit c311e6f8a9832587b3bb687b22a92574b790c688