diff --git a/docker-compose.yml b/docker-compose.yml
index 8307d20..d18f840 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,5 +1,3 @@
-version: "3.9"
-
 services:
   hysteria:
     image: tobyxdd/hysteria:latest