diff --git a/contracts b/contracts
index a913949..577b538 160000
--- a/contracts
+++ b/contracts
@@ -1 +1 @@
-Subproject commit a913949ee0ef8412f80b1298d20f6b9043fefba6
+Subproject commit 577b53806e1f4417787dad595101eb9d22d907ad