diff --git a/docker-compose.yml b/docker-compose.yml
index 04b82c37..39f7f252 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,4 +1,4 @@
-version: '2'
+version: '2.1'
 services:
   zookeeper:
     image: wurstmeister/zookeeper