diff --git a/backend/data-service/infrastructure/docker/docker-compose.build.yml b/backend/data-service/infrastructure/docker/docker-compose.build.yml
index b8bcf94..596ebca 100644
--- a/backend/data-service/infrastructure/docker/docker-compose.build.yml
+++ b/backend/data-service/infrastructure/docker/docker-compose.build.yml
@@ -1,5 +1,3 @@
-version: "3.4"
-
 services:
   app:
     image: ${DOCKER_IMAGE}:${DOCKER_TAG}
diff --git a/backend/data-service/infrastructure/docker/docker-compose.local-wcs.yml b/backend/data-service/infrastructure/docker/docker-compose.local-wcs.yml
index d314ead..795d663 100644
--- a/backend/data-service/infrastructure/docker/docker-compose.local-wcs.yml
+++ b/backend/data-service/infrastructure/docker/docker-compose.local-wcs.yml
@@ -1,10 +1,6 @@
-version: "3.4"
-
 services:
   wcs-cdn:
     image: ${DOCKER_IMAGE}:${DOCKER_TAG}
-    # env_file:
-    #   - ../../../../.env
     build:
       context: ../../../
       dockerfile: data-service/infrastructure/docker/Dockerfile-local-wcs
diff --git a/backend/data-service/infrastructure/docker/docker-compose.run.yml b/backend/data-service/infrastructure/docker/docker-compose.run.yml
index d2e8980..0816a97 100644
--- a/backend/data-service/infrastructure/docker/docker-compose.run.yml
+++ b/backend/data-service/infrastructure/docker/docker-compose.run.yml
@@ -1,5 +1,3 @@
-version: "3.4"
-
 services:
   app:
     image: ${DOCKER_IMAGE}:${DOCKER_TAG}
diff --git a/backend/data-service/infrastructure/docker/docker-compose.test.yml b/backend/data-service/infrastructure/docker/docker-compose.test.yml
index dba6449..91f48ef 100644
--- a/backend/data-service/infrastructure/docker/docker-compose.test.yml
+++ b/backend/data-service/infrastructure/docker/docker-compose.test.yml
@@ -1,4 +1,3 @@
-version: "3.4"
 services:
   api:
     container_name: data-service
diff --git a/backend/delivery-service/infrastructure/docker/docker-compose.build.yml b/backend/delivery-service/infrastructure/docker/docker-compose.build.yml
index b8bcf94..596ebca 100644
--- a/backend/delivery-service/infrastructure/docker/docker-compose.build.yml
+++ b/backend/delivery-service/infrastructure/docker/docker-compose.build.yml
@@ -1,5 +1,3 @@
-version: "3.4"
-
 services:
   app:
     image: ${DOCKER_IMAGE}:${DOCKER_TAG}
diff --git a/backend/delivery-service/infrastructure/docker/docker-compose.local-wcs.yml b/backend/delivery-service/infrastructure/docker/docker-compose.local-wcs.yml
index a5684bf..4913d24 100644
--- a/backend/delivery-service/infrastructure/docker/docker-compose.local-wcs.yml
+++ b/backend/delivery-service/infrastructure/docker/docker-compose.local-wcs.yml
@@ -1,5 +1,3 @@
-version: "3.4"
-
 services:
   app:
     image: ${DOCKER_IMAGE}:${DOCKER_TAG}
diff --git a/backend/delivery-service/infrastructure/docker/docker-compose.run.yml b/backend/delivery-service/infrastructure/docker/docker-compose.run.yml
index 026ae3d..edd17f1 100644
--- a/backend/delivery-service/infrastructure/docker/docker-compose.run.yml
+++ b/backend/delivery-service/infrastructure/docker/docker-compose.run.yml
@@ -1,5 +1,3 @@
-version: "3.4"
-
 services:
   app:
     image: ${DOCKER_IMAGE}:${DOCKER_TAG}
diff --git a/backend/delivery-service/infrastructure/docker/docker-compose.test.yml b/backend/delivery-service/infrastructure/docker/docker-compose.test.yml
index 8617ad2..4d4d915 100644
--- a/backend/delivery-service/infrastructure/docker/docker-compose.test.yml
+++ b/backend/delivery-service/infrastructure/docker/docker-compose.test.yml
@@ -1,4 +1,3 @@
-version: "3.4"
 services:
   api:
     container_name: delivery-service
diff --git a/backend/docker-compose.yml b/backend/docker-compose.yml
index 80af1e6..3279ba1 100644
--- a/backend/docker-compose.yml
+++ b/backend/docker-compose.yml
@@ -2,7 +2,6 @@
 #
 # SPDX-License-Identifier: CC0-1.0
 
-version: "3.4"
 services:
   api:
     container_name: wcstore_api
diff --git a/docker-compose.yml b/docker-compose.yml
index 2baaa1c..3477aaf 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -2,7 +2,6 @@
 #
 # SPDX-License-Identifier: CC0-1.0
 
-version: "3.4"
 services:
   frontend:
     container_name: wcstore_frontend
diff --git a/frontend/docker/docker-compose.local-wcs.yml b/frontend/docker/docker-compose.local-wcs.yml
index 868b453..ca307ac 100644
--- a/frontend/docker/docker-compose.local-wcs.yml
+++ b/frontend/docker/docker-compose.local-wcs.yml
@@ -1,4 +1,3 @@
-version: "3"
 services:
   wcs-frontend:
     image: ${DOCKER_IMAGE}:${DOCKER_TAG}
diff --git a/webcompstore-cli/docker/docker-compose.local-wcs.yml b/webcompstore-cli/docker/docker-compose.local-wcs.yml
index 180c7aa..fe44ac2 100644
--- a/webcompstore-cli/docker/docker-compose.local-wcs.yml
+++ b/webcompstore-cli/docker/docker-compose.local-wcs.yml
@@ -1,5 +1,3 @@
-version: "3.4"
-
 services:
   wcs-cdn:
     image: ${DOCKER_IMAGE}:${DOCKER_TAG}