diff --git a/docker-compose.example.yml b/docker-compose.example.yml
index c07baf0..91cd242 100644
--- a/docker-compose.example.yml
+++ b/docker-compose.example.yml
@@ -1,5 +1,3 @@
-version: '3'
-
 services:
   hoerdle:
     container_name: hoerdle