diff --git a/docker-compose.override.yml b/docker-compose.override.yml
index e2dfc17..5cc1dae 100644
--- a/docker-compose.override.yml
+++ b/docker-compose.override.yml
@@ -1,5 +1,3 @@
-version: '2'
-
 services:
   php:
     volumes:
diff --git a/docker-compose.yml b/docker-compose.yml
index 0ab0009..5e2d00d 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,5 +1,3 @@
-version: '3'
-
 services:
   php:
     build: docker/php