diff --git a/docker-compose.yml b/docker-compose.yml
index 4b18b7b..ba7e860 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,5 +1,3 @@
-version: '2'
-
 services:
     krb5_kiwitcms_org:
         container_name: krb5_kiwitcms_org