diff --git a/docker-compose.yml b/docker-compose.yml
index 98c5128..a589053 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,5 +1,3 @@
-version: '3.4'
-
 services:
   litecharmssecurity.admin:
     image: skoruba-duende-identityserver-admin