diff --git a/docker/data-source-services/docker-compose.yml b/docker/data-source-services/docker-compose.yml
index 15b3b5e..6c3d7ac 100755
--- a/docker/data-source-services/docker-compose.yml
+++ b/docker/data-source-services/docker-compose.yml
@@ -3,7 +3,6 @@
 #
 # Network name is st-{service name}-{service MAJOR.MINOR}
 ---
-version: '3.8'
 services:
   nginxproxy:
 # Enable nginx debug and increase output verbosity
diff --git a/docker/data-source-tools/docker-compose.yml b/docker/data-source-tools/docker-compose.yml
index 3e08517..fcad95f 100644
--- a/docker/data-source-tools/docker-compose.yml
+++ b/docker/data-source-tools/docker-compose.yml
@@ -1,5 +1,4 @@
 ---
-version: '3.8'
 services:
   mailpit:
     image: axllent/mailpit:latest