diff --git a/whmcs/compose/docker-compose.yml b/whmcs/compose/docker-compose.yml
index 02ff034..7b614ab 100644
--- a/whmcs/compose/docker-compose.yml
+++ b/whmcs/compose/docker-compose.yml
@@ -1,5 +1,3 @@
-version: '3.5'
-
 networks:
   docker-whmcs-network-internal:
     external: false