diff --git a/openldap/docker-compose.yml b/openldap/docker-compose.yml
index 65da98b..e98b117 100644
--- a/openldap/docker-compose.yml
+++ b/openldap/docker-compose.yml
@@ -1,4 +1,3 @@
-version: '3.7'
 services:
   openldap:
     image: osixia/openldap:latest