diff --git a/docker-compose.yml b/docker-compose.yml
index 4bbadeb..5eb41ef 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -36,7 +36,6 @@
 #
 # Feel free to modify this file to suit your needs.
 ---
-    version: '3'
     x-airflow-common:
       &airflow-common
       build: