diff --git a/docker-compose-ci.yml b/docker-compose-ci.yml
index 32121d6..07b9531 100644
--- a/docker-compose-ci.yml
+++ b/docker-compose-ci.yml
@@ -1,5 +1,3 @@
-version: "3.6"
-
 volumes:
   samba-data:
     driver: local