diff --git a/docker-compose.yml b/docker-compose.yml
index 0c7d586..7c5bbc9 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,5 +1,3 @@
-version: '3.7'
-
 services:
   trac:
     image: ghcr.io/django/code.djangoproject.com:latest