diff --git a/compose.yml b/compose.yml
index 4645eb2..35d5c5d 100644
--- a/compose.yml
+++ b/compose.yml
@@ -63,8 +63,7 @@ services:
     networks:
       - internal
     deploy:
-      labels:
-        - coop-cloud.${STACK_NAME}.app.version=v3.1.0-buster-455af623
+      labels: ['coop-cloud.${STACK_NAME}.app.version=v3.1.0-buster-455af623']
   db:
     image: postgres:10-alpine
     environment:
@@ -78,8 +77,7 @@ services:
     networks:
       - internal
     deploy:
-      labels:
-        - coop-cloud.${STACK_NAME}.db.version=10-alpine-f2d229fd
+      labels: ['coop-cloud.${STACK_NAME}.db.version=10-alpine-131220fe']
   cache:
     image: redis:4-alpine
     volumes:
@@ -87,8 +85,7 @@ services:
     networks:
       - internal
     deploy:
-      labels:
-        - coop-cloud.${STACK_NAME}.cache.version=4-alpine-aaf7c123
+      labels: ['coop-cloud.${STACK_NAME}.cache.version=4-alpine-aaf7c123']
 networks:
   internal:
   proxy: