diff --git a/docker-compose.yml b/docker-compose.yml
index 4c76793..8aeb82b 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,4 +1,3 @@
-version: '2'
 services:
   zookeeper:
     image: confluentinc/cp-zookeeper:7.4.4