diff --git a/README.md b/README.md
index fac1dd6..1f9575f 100644
--- a/README.md
+++ b/README.md
@@ -16,7 +16,7 @@ Click the `Use this Template` and provide the new repo details for your action
 
 ## Code in Main
 
-> First, you'll need to have a reasonably modern version of `node` handy. This won't work with versions older than 9, for instance.
+First, you'll need to have a reasonably modern version of `node` handy. This won't work with versions older than 16, for instance.
 
 Install the dependencies  
 ```bash
diff --git a/package.json b/package.json
index 786f9f6..737e071 100644
--- a/package.json
+++ b/package.json
@@ -17,6 +17,9 @@
     "type": "git",
     "url": "git+https://github.com/actions/typescript-action.git"
   },
+  "engines": {
+    "node": "^16.13.1"
+  },
   "keywords": [
     "actions",
     "node",