diff --git a/functions/package.json b/functions/package.json
index 75168c8..da9db9d 100644
--- a/functions/package.json
+++ b/functions/package.json
@@ -14,7 +14,7 @@
     "daemon": "cross-env-shell RUN_DAEMON=true RUNNING_LOCAL=true \"npm run build && firebase emulators:start --only functions\""
   },
   "engines": {
-    "node": ">=10.0.0"
+    "node": "10"
   },
   "main": "lib/bin/index.js",
   "dependencies": {