diff --git a/compose.yml b/compose.yml
index a44aa0b..6752e41 100644
--- a/compose.yml
+++ b/compose.yml
@@ -55,7 +55,7 @@ services:
     configs: *configs
     entrypoint: &entrypoint /usr/src/app/docker-entrypoint.sh
     environment:
-      !!merge <<: *env
+      !%21merge <<: *env
       FOODSOFT_SERVICE: app
     healthcheck:
       test: ["CMD", "curl", "-f", "http://localhost:3000"]
@@ -77,7 +77,7 @@ services:
   cron:
     image: foodcoops/foodsoft:4.7.1
     environment:
-      !!merge <<: *env
+      !%21merge <<: *env
       FOODSOFT_SERVICE: cron
     configs: *configs
     entrypoint: *entrypoint
@@ -89,7 +89,7 @@ services:
   worker:
     image: foodcoops/foodsoft:4.7.1
     environment:
-      !!merge <<: *env
+      !%21merge <<: *env
       FOODSOFT_SERVICE: worker
     configs: *configs
     entrypoint: *entrypoint
@@ -104,7 +104,7 @@ services:
     entrypoint: *entrypoint
     secrets: *secrets
     environment:
-      !!merge <<: *env
+      !%21merge <<: *env
       FOODSOFT_SERVICE: smtp
       SMTP_SERVER_HOST:
       SMTP_SERVER_PORT:
@@ -143,7 +143,6 @@ services:
       labels: ['coop-cloud.${STACK_NAME}.cache.version=6-']
 networks:
   internal:
-    internal: true
   proxy:
     external: true
 volumes: