diff --git a/contracts b/contracts
index 75a9764..4f7dba1 160000
--- a/contracts
+++ b/contracts
@@ -1 +1 @@
-Subproject commit 75a97647a44cfe534f93926ab039afca6570cb86
+Subproject commit 4f7dba1c6408a17c5a07e353443b068410fd8aa2