diff --git a/contracts b/contracts
index 17b44ca..1d499fe 160000
--- a/contracts
+++ b/contracts
@@ -1 +1 @@
-Subproject commit 17b44ca078f3bca2193858559d1276cc48680531
+Subproject commit 1d499fe7d33791e1ac6dccfe031e178b7d520bb4