diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 4347e5e5a..0d853c4eb 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -11,7 +11,8 @@ Fixes and enhancements are totally welcome.  We prefer you to file an issue befo
 
 * bash
 * make
-* nodejs - v16.x or greater (with npm)
+* nodejs - v20.x or greater (with npm)
+  * Refer to `devEngines` in the `package.json` for exact versions
 * python - v3.7 or greater (with pip)
 
 If you encounter issues and cannot build, come chat on gitter.im.  We're happy to help.
diff --git a/package.json b/package.json
index c06cc07ae..6846000e7 100644
--- a/package.json
+++ b/package.json
@@ -47,6 +47,16 @@
   "engines": {
     "node": ">=14"
   },
+  "devEngines": {
+    "runtime": {
+      "name": "node",
+      "version": "24.15.0"
+    },
+    "packageManager": {
+      "name": "npm",
+      "version": "11.12.1"
+    }
+  },
   "browserslist": "ie 11",
   "dependencies": {
     "config-chain": "^1.1.13",