diff --git a/README.md b/README.md
index d374625..d459c2b 100644
--- a/README.md
+++ b/README.md
@@ -47,7 +47,7 @@ import * as MT from 'midi-test'
 **midi-test** currently works in **Linux** and **MacOS**.  
 **Windows** version may appear some day in the future, but it is not in the immediate plans.
 
-This package requires **Node.js v20 or above**,
+This package requires **Node.js v18 or above**,
 and the full stack of [**node-gyp**](https://www.npmjs.com/package/node-gyp) build tools.  
 (for older versions of Node please use **midi-test v1.2.9**)  
 Linux build also requires the ALSA libraries: `apt-get install libasound2-dev`
diff --git a/package.json b/package.json
index 64fc23f..31415cd 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "midi-test",
-  "version": "1.3.0",
+  "version": "1.3.1",
   "description": "Virtual MIDI ports for testing MIDI applications",
   "main": "index.js",
   "scripts": {
@@ -28,7 +28,7 @@
   },
   "gypfile": true,
   "engines": {
-    "node": ">=20.0.0"
+    "node": ">=18.0.0"
   },
   "license": "MIT"
 }