diff --git a/docker-compose-mockserver.yml b/docker-compose-mockserver.yml
index 00cafc3..64b3471 100644
--- a/docker-compose-mockserver.yml
+++ b/docker-compose-mockserver.yml
@@ -1,4 +1,3 @@
-version: '3.9'
 services:
   mockserver_container:
     image: mockserver/mockserver:latest
diff --git a/docker-compose.yml b/docker-compose.yml
index 015ab5a..5d13480 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,4 +1,3 @@
-version: '3.9'
 services:
   mongodb_container:
     image: mongo:latest