diff --git a/app.json b/app.json
index f01d4f00f..29ce1eca9 100644
--- a/app.json
+++ b/app.json
@@ -5,6 +5,9 @@
     "website": "https://docs.rsshub.app/",
     "logo": "https://i.imgur.com/NZpRScX.png",
     "keywords": ["RSS"],
+    "engines": {
+        "node": "10.x"
+    },
     "env": {
         "PORT": {
             "value": "80",