diff --git a/backend b/backend
index e88f1a25d4a7cc1ce16e2fd1fefe57e98160d6e8..47a181e173887eeb7cee5ff16fb35a99ec389438 160000
--- a/backend
+++ b/backend
@@ -1 +1 @@
-Subproject commit e88f1a25d4a7cc1ce16e2fd1fefe57e98160d6e8
+Subproject commit 47a181e173887eeb7cee5ff16fb35a99ec389438