diff --git a/backend b/backend
index 96fb472..ac9db69 160000
--- a/backend
+++ b/backend
@@ -1 +1 @@
-Subproject commit 96fb4724973fe10a90d97e8846603491b5cde2f7
+Subproject commit ac9db695856159a9c31e73bb751dd0d8955f551d