diff --git a/docker-compose.yml b/docker-compose.yml
index 595dfad97b8435..576c436e7aef03 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,5 +1,3 @@
-version: '3.9'
-
 services:
     rsshub:
         # two ways to enable puppeteer: