diff --git a/docker-compose.yml b/docker-compose.yml
index 7b61b27..a13870a 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -32,7 +32,7 @@ services:
       DATA_DIR: /data
       REDIS_URL: redis://redis:6379
       CORS_ORIGINS: http://localhost:3001,http://localhost:3000
-      MCP_API_KEY: "4zfCmiC3Z_28F3xPOxBSDi0DQx6aRzAQrpplyywo_VI"
+      MCP_API_KEY: ${MCP_API_KEY}
     volumes:
       - ./backend/app:/app/app
       - ./data:/data