diff --git a/lib/response.js b/lib/response.js
index 937e9858..29511a74 100644
--- a/lib/response.js
+++ b/lib/response.js
@@ -12,7 +12,7 @@
  * @private
  */
 
-var Buffer = require('safe-buffer').Buffer
+var Buffer = require('node:buffer').Buffer
 var contentDisposition = require('content-disposition');
 var createError = require('http-errors')
 var encodeUrl = require('encodeurl');
diff --git a/lib/utils.js b/lib/utils.js
index f66760a1..67eacf27 100644
--- a/lib/utils.js
+++ b/lib/utils.js
@@ -12,7 +12,7 @@
  * @api private
  */
 
-var Buffer = require('safe-buffer').Buffer
+var Buffer = require('node:buffer').Buffer
 var contentType = require('content-type');
 var etag = require('etag');
 var mime = require('mime-types')
diff --git a/package.json b/package.json
index a23e4602..54b4bb57 100644
--- a/package.json
+++ b/package.json
@@ -56,7 +56,6 @@
     "qs": "6.13.0",
     "range-parser": "~1.2.1",
     "router": "^2.0.0",
-    "safe-buffer": "5.2.1",
     "send": "^1.1.0",
     "serve-static": "^2.1.0",
     "statuses": "2.0.1",
diff --git a/test/express.json.js b/test/express.json.js
index 859347e1..c92d8234 100644
--- a/test/express.json.js
+++ b/test/express.json.js
@@ -2,7 +2,7 @@
 
 var assert = require('assert')
 var asyncHooks = tryRequire('async_hooks')
-var Buffer = require('safe-buffer').Buffer
+var Buffer = require('node:buffer').Buffer
 var express = require('..')
 var request = require('supertest')
 
diff --git a/test/express.raw.js b/test/express.raw.js
index f6513a7d..cd526e39 100644
--- a/test/express.raw.js
+++ b/test/express.raw.js
@@ -2,7 +2,7 @@
 
 var assert = require('assert')
 var asyncHooks = tryRequire('async_hooks')
-var Buffer = require('safe-buffer').Buffer
+var Buffer = require('node:buffer').Buffer
 var express = require('..')
 var request = require('supertest')
 
diff --git a/test/express.static.js b/test/express.static.js
index e5100e8c..c7c7d4df 100644
--- a/test/express.static.js
+++ b/test/express.static.js
@@ -1,7 +1,7 @@
 'use strict'
 
 var assert = require('assert')
-var Buffer = require('safe-buffer').Buffer
+var Buffer = require('node:buffer').Buffer
 var express = require('..')
 var path = require('path')
 var request = require('supertest')
diff --git a/test/express.text.js b/test/express.text.js
index ce365fa7..e5fd9e41 100644
--- a/test/express.text.js
+++ b/test/express.text.js
@@ -2,7 +2,7 @@
 
 var assert = require('assert')
 var asyncHooks = tryRequire('async_hooks')
-var Buffer = require('safe-buffer').Buffer
+var Buffer = require('node:buffer').Buffer
 var express = require('..')
 var request = require('supertest')
 
diff --git a/test/express.urlencoded.js b/test/express.urlencoded.js
index 37afb07f..2bf72b79 100644
--- a/test/express.urlencoded.js
+++ b/test/express.urlencoded.js
@@ -2,7 +2,7 @@
 
 var assert = require('assert')
 var asyncHooks = tryRequire('async_hooks')
-var Buffer = require('safe-buffer').Buffer
+var Buffer = require('node:buffer').Buffer
 var express = require('..')
 var request = require('supertest')
 
diff --git a/test/res.attachment.js b/test/res.attachment.js
index 6283ded0..1281584f 100644
--- a/test/res.attachment.js
+++ b/test/res.attachment.js
@@ -1,6 +1,6 @@
 'use strict'
 
-var Buffer = require('safe-buffer').Buffer
+var Buffer = require('node:buffer').Buffer
 var express = require('../')
   , request = require('supertest');
 
diff --git a/test/res.download.js b/test/res.download.js
index f7d795d5..3ccd0c77 100644
--- a/test/res.download.js
+++ b/test/res.download.js
@@ -3,7 +3,7 @@
 var after = require('after');
 var assert = require('assert')
 var asyncHooks = tryRequire('async_hooks')
-var Buffer = require('safe-buffer').Buffer
+var Buffer = require('node:buffer').Buffer
 var express = require('..');
 var path = require('path')
 var request = require('supertest');
diff --git a/test/res.send.js b/test/res.send.js
index bce62c8d..1f9b372c 100644
--- a/test/res.send.js
+++ b/test/res.send.js
@@ -1,7 +1,7 @@
 'use strict'
 
 var assert = require('assert')
-var Buffer = require('safe-buffer').Buffer
+var Buffer = require('node:buffer').Buffer
 var express = require('..');
 var methods = require('methods');
 var request = require('supertest');
diff --git a/test/res.sendFile.js b/test/res.sendFile.js
index 7bba9cd6..d0b4b1b5 100644
--- a/test/res.sendFile.js
+++ b/test/res.sendFile.js
@@ -3,7 +3,7 @@
 var after = require('after');
 var assert = require('assert')
 var asyncHooks = tryRequire('async_hooks')
-var Buffer = require('safe-buffer').Buffer
+var Buffer = require('node:buffer').Buffer
 var express = require('../')
   , request = require('supertest')
 var onFinished = require('on-finished');
diff --git a/test/support/utils.js b/test/support/utils.js
index 5ad4ca98..50350943 100644
--- a/test/support/utils.js
+++ b/test/support/utils.js
@@ -5,7 +5,7 @@
  */
 
 var assert = require('assert');
-var Buffer = require('safe-buffer').Buffer
+var Buffer = require('node:buffer').Buffer
 
 /**
  * Module exports.
diff --git a/test/utils.js b/test/utils.js
index aff3f03a..0b68d38a 100644
--- a/test/utils.js
+++ b/test/utils.js
@@ -1,7 +1,7 @@
 'use strict'
 
 var assert = require('assert');
-var Buffer = require('safe-buffer').Buffer
+var Buffer = require('node:buffer').Buffer
 var utils = require('../lib/utils');
 
 describe('utils.etag(body, encoding)', function(){