diff --git a/modules/backend b/modules/backend
index b8b8e916..dfb31da2 160000
--- a/modules/backend
+++ b/modules/backend
@@ -1 +1 @@
-Subproject commit b8b8e91688fba70a171b76c316ffb17d1a0d0821
+Subproject commit dfb31da20ab0276ea8e167cf26675f7ac95a1b26