diff --git a/backend b/backend
index 2fc2a42f7..d9f517690 160000
--- a/backend
+++ b/backend
@@ -1 +1 @@
-Subproject commit 2fc2a42f71dcf71cbfff5b9285cb14d424ab5710
+Subproject commit d9f5176904b72a8d85f879f3d5a115742358fdf5
diff --git a/docker-compose.yml b/docker-compose.yml
index aad8952ca..4d0f7854e 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,5 +1,3 @@
-version: '3'
-
 services:
   backend:
     build: ./backend