diff --git a/addon/zstd.cpp b/addon/zstd.cpp
index 26a6018..48f493d 100644
--- a/addon/zstd.cpp
+++ b/addon/zstd.cpp
@@ -1,5 +1,7 @@
 #include "zstd.h"
 
+#define NAPI_VERSION 9
+
 #include <napi.h>
 
 #include <vector>
@@ -49,9 +51,17 @@ void Decompress(const CallbackInfo& info) {
     worker->Queue();
 }
 
+Value GetDefinedNapiVersion(const CallbackInfo& info) {
+    return Napi::String::New(info.Env(), std::to_string(NAPI_VERSION));
+}
+
 Object Init(Env env, Object exports) {
     exports.Set(String::New(env, "compress"), Function::New(env, Compress));
     exports.Set(String::New(env, "decompress"), Function::New(env, Decompress));
+
+    exports.Set(String::New(env, "getDefinedNapiVersion"),
+                Function::New(env, GetDefinedNapiVersion));
+
     return exports;
 }
 
diff --git a/lib/index.js b/lib/index.js
index 22104a9..994f967 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -39,6 +39,7 @@ exports.compress = async function compress(data, compressionLevel) {
     throw new Error(`zstd: ${e.message}`);
   }
 };
+
 exports.decompress = async function decompress(data) {
   if (!isUint8Array(data)) {
     throw new TypeError(`parameter 'data' must be a Uint8Array.`);
@@ -49,3 +50,6 @@ exports.decompress = async function decompress(data) {
     throw new Error(`zstd: ${e.message}`);
   }
 };
+
+/** used for testing */
+exports.getDefinedNapiVersion = zstd.getDefinedNapiVersion;
diff --git a/package-lock.json b/package-lock.json
index de26b86..eddcaa9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,7 +10,7 @@
       "hasInstallScript": true,
       "license": "Apache-2.0",
       "dependencies": {
-        "node-addon-api": "^4.3.0",
+        "node-addon-api": "^8.5.0",
         "prebuild-install": "^7.1.3"
       },
       "devDependencies": {
@@ -3534,10 +3534,13 @@
       }
     },
     "node_modules/node-addon-api": {
-      "version": "4.3.0",
-      "resolved": "https://registry.npmjs.org/node-addon-api/-/node-addon-api-4.3.0.tgz",
-      "integrity": "sha512-73sE9+3UaLYYFmDsFZnqCInzPyh3MqIwZO9cw58yIqAZhONrrabrYyYe3TuIqtIiOuTXVhsGau8hcrhhwSsDIQ==",
-      "license": "MIT"
+      "version": "8.5.0",
+      "resolved": "https://registry.npmjs.org/node-addon-api/-/node-addon-api-8.5.0.tgz",
+      "integrity": "sha512-/bRZty2mXUIFY/xU5HLvveNHlswNJej+RnxBjOMkidWfwZzgTbPG1E3K5TOxRLOR+5hX7bSofy8yf1hZevMS8A==",
+      "license": "MIT",
+      "engines": {
+        "node": "^18 || ^20 || >= 21"
+      }
     },
     "node_modules/node-api-headers": {
       "version": "1.4.0",
diff --git a/package.json b/package.json
index 17ef75d..158da40 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
     "binding.gyp"
   ],
   "dependencies": {
-    "node-addon-api": "^4.3.0",
+    "node-addon-api": "^8.5.0",
     "prebuild-install": "^7.1.3"
   },
   "license": "Apache-2.0",
@@ -49,7 +49,7 @@
   },
   "binary": {
     "napi_versions": [
-      4
+      9
     ]
   },
   "mongodb:zstd_version": "1.5.6"
diff --git a/test/bundling/webpack/install_zstd.cjs b/test/bundling/webpack/install_zstd.cjs
index adbbf4b..5c3e8b1 100644
--- a/test/bundling/webpack/install_zstd.cjs
+++ b/test/bundling/webpack/install_zstd.cjs
@@ -1,5 +1,3 @@
-'use strict';
-
 const { execSync } = require('node:child_process');
 const { readFileSync } = require('node:fs');
 const { resolve } = require('node:path');
@@ -19,6 +17,6 @@ console.log(`zstd Version: ${zstdVersion}`);
 
 xtrace('npm pack --pack-destination test/bundling/webpack', { cwd: zstdRoot });
 
-xtrace(`npm install --no-save mongodb-js-zstd-${zstdVersion}.tgz`);
+xtrace(`npm install --ignore-scripts --no-save mongodb-js-zstd-${zstdVersion}.tgz`);
 
 console.log('zstd installed!');
diff --git a/test/index.test.js b/test/index.test.js
index 523b295..f72774d 100644
--- a/test/index.test.js
+++ b/test/index.test.js
@@ -1,5 +1,5 @@
 const { test } = require('mocha');
-const { compress, decompress } = require('../lib/index');
+const { compress, decompress, getDefinedNapiVersion } = require('../lib/index');
 
 const { expect } = require('chai');
 
@@ -55,6 +55,12 @@ describe('compress', function () {
   });
 });
 
+describe('misc', function () {
+  test('getDefinedNapiVersion() returns 9', function () {
+    expect(getDefinedNapiVersion()).to.equal('9');
+  });
+});
+
 /**
  * @param {import('../index').decompress} decompress
  * @param {import('../index').compress} compress