diff --git a/contracts b/contracts
index 8631765c..bb77690a 160000
--- a/contracts
+++ b/contracts
@@ -1 +1 @@
-Subproject commit 8631765cc3b0b4c6fde0941b896dbfb1b8373455
+Subproject commit bb77690aa0498f1060b64bebc183aea4fafb57e7