diff --git a/contracts b/contracts
index 1663445f..bb77690a 160000
--- a/contracts
+++ b/contracts
@@ -1 +1 @@
-Subproject commit 1663445fde467777e3d878e76193ea6fe9c1aefe
+Subproject commit bb77690aa0498f1060b64bebc183aea4fafb57e7