diff --git a/contracts b/contracts
index 3bd4b20..e752059 160000
--- a/contracts
+++ b/contracts
@@ -1 +1 @@
-Subproject commit 3bd4b2097a2796afc9a56a580e555982aad4f10b
+Subproject commit e7520599758cae5f507d7189a3415e95e2ff0309