diff --git a/backend_worker b/backend_worker
index 6536179..31ad1b5 160000
--- a/backend_worker
+++ b/backend_worker
@@ -1 +1 @@
-Subproject commit 653617983a5fda9abb2e38d6cb75de0aa4490e0c
+Subproject commit 31ad1b56fa6597df4e769ab022757926bb22fb5f