diff --git a/contracts b/contracts
index d06ad2519..bb77690aa 160000
--- a/contracts
+++ b/contracts
@@ -1 +1 @@
-Subproject commit d06ad25196f67c4d20ad309941192fdddf80e307
+Subproject commit bb77690aa0498f1060b64bebc183aea4fafb57e7