diff --git a/tests/docker-compose.test_servers.yml b/tests/docker-compose.test_servers.yml
index 27f3c2c8b37..c27d0a05e8c 100644
--- a/tests/docker-compose.test_servers.yml
+++ b/tests/docker-compose.test_servers.yml
@@ -1,10 +1,11 @@
-version: '3.3'
+version: '3.7'
 
 services:
   webhook_receiver:
     image: python:3.9-slim
     restart: always
     command: python3 /tmp/server.py
+    init: true
     env_file:
       - ./tests/python/webhook_receiver/.env
     expose: