diff --git a/docker-compose-external.override.yml b/docker-compose-external.override.yml
index 5a4957115..4637385a1 100644
--- a/docker-compose-external.override.yml
+++ b/docker-compose-external.override.yml
@@ -1,4 +1,4 @@
-version: '3.3'
+version: '3.4'
 
 services:
   sql.data:
diff --git a/docker-compose-external.yml b/docker-compose-external.yml
index 43a1559be..22fe4ce89 100644
--- a/docker-compose-external.yml
+++ b/docker-compose-external.yml
@@ -1,4 +1,4 @@
-version: '3.3'
+version: '3.4'
 
 services:
   sql.data:
diff --git a/docker-compose-windows.prod.yml b/docker-compose-windows.prod.yml
index c9e9825e3..ead977f29 100644
--- a/docker-compose-windows.prod.yml
+++ b/docker-compose-windows.prod.yml
@@ -1,4 +1,4 @@
-version: '3.3'
+version: '3.4'
 
 # The Production docker-compose file has to have the external/real IPs or DNS names for the services 
 # The ESHOP_PROD_EXTERNAL_DNS_NAME_OR_IP environment variable is taken, by default, from the ".env" file defined like: 
diff --git a/docker-compose-windows.yml b/docker-compose-windows.yml
index 35f3ff7be..cec7323d1 100644
--- a/docker-compose-windows.yml
+++ b/docker-compose-windows.yml
@@ -1,4 +1,4 @@
-version: '3.3'
+version: '3.4'
 
 services:
   basket.api:
diff --git a/docker-compose.nobuild.yml b/docker-compose.nobuild.yml
index bf1d9d24e..b2ebcf903 100644
--- a/docker-compose.nobuild.yml
+++ b/docker-compose.nobuild.yml
@@ -1,4 +1,4 @@
-version: '3.3'
+version: '3.4'
 
 services:
   basket.api:
diff --git a/docker-compose.override.windows.yml b/docker-compose.override.windows.yml
index b4828607a..76ccda8b0 100644
--- a/docker-compose.override.windows.yml
+++ b/docker-compose.override.windows.yml
@@ -1,4 +1,4 @@
-version: '3.3'
+version: '3.4'
 
 # ONLY NEEDED WHEN RUNNING WINDOWS CONTAINERS
 #