diff --git a/docker-compose.yml b/docker-compose.yml
index 6cb33cffc86d886b8aa0a3118e866d03c248484b..6bd09cc4a46da914161c3f4e574d2f283197693d 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,4 +1,3 @@
-version: "3"
 services:
   satosa:
     image: satosa