diff --git a/_data/express.yml b/_data/express.yml
index 8c2c87b156..0a6a4d6c0b 100644
--- a/_data/express.yml
+++ b/_data/express.yml
@@ -1,2 +1,2 @@
-current_version: "5.1.0"
+current_version: "5.2.1"
 next_version: "undefined"
\ No newline at end of file
diff --git a/_includes/readmes/body-parser.md b/_includes/readmes/body-parser.md
index 31b66ce06a..696c19efff 100644
--- a/_includes/readmes/body-parser.md
+++ b/_includes/readmes/body-parser.md
@@ -17,18 +17,18 @@ before trusting. For example, `req.body.foo.toString()` may fail in multiple
 ways, for example the `foo` property may not be there or may not be a string,
 and `toString` may not be a function and instead a string or other user input.
 
-[Learn about the anatomy of an HTTP transaction in Node.js](https://nodejs.org/en/docs/guides/anatomy-of-an-http-transaction/).
+[Learn about the anatomy of an HTTP transaction in Node.js](https://nodejs.org/en/learn/http/anatomy-of-an-http-transaction).
 
 _This does not handle multipart bodies_, due to their complex and typically
 large nature. For multipart bodies, you may be interested in the following
 modules:
 
-  * [busboy](https://www.npmjs.org/package/busboy#readme) and
-    [connect-busboy](https://www.npmjs.org/package/connect-busboy#readme)
-  * [multiparty](https://www.npmjs.org/package/multiparty#readme) and
-    [connect-multiparty](https://www.npmjs.org/package/connect-multiparty#readme)
-  * [formidable](https://www.npmjs.org/package/formidable#readme)
-  * [multer](https://www.npmjs.org/package/multer#readme)
+  * [busboy](https://www.npmjs.com/package/busboy#readme) and
+    [connect-busboy](https://www.npmjs.com/package/connect-busboy#readme)
+  * [multiparty](https://www.npmjs.com/package/multiparty#readme) and
+    [connect-multiparty](https://www.npmjs.com/package/connect-multiparty#readme)
+  * [formidable](https://www.npmjs.com/package/formidable#readme)
+  * [multer](https://www.npmjs.com/package/multer#readme)
 
 This module provides the following parsers:
 
@@ -39,8 +39,8 @@ This module provides the following parsers:
 
 Other body parsers you might be interested in:
 
-- [body](https://www.npmjs.org/package/body#readme)
-- [co-body](https://www.npmjs.org/package/co-body#readme)
+- [body](https://www.npmjs.com/package/body#readme)
+- [co-body](https://www.npmjs.com/package/co-body#readme)
 
 ## Installation
 
@@ -109,7 +109,7 @@ accept anything `JSON.parse` accepts. Defaults to `true`.
 The `type` option is used to determine what media type the middleware will
 parse. This option can be a string, array of strings, or a function. If not a
 function, `type` option is passed directly to the
-[type-is](https://www.npmjs.org/package/type-is#readme) library and this can
+[type-is](https://www.npmjs.com/package/type-is#readme) library and this can
 be an extension name (like `json`), a mime type (like `application/json`), or
 a mime type with a wildcard (like `*/*` or `*/json`). If a function, the `type`
 option is called as `fn(req)` and the request is parsed if it returns a truthy
@@ -154,7 +154,7 @@ to `'100kb'`.
 The `type` option is used to determine what media type the middleware will
 parse. This option can be a string, array of strings, or a function.
 If not a function, `type` option is passed directly to the
-[type-is](https://www.npmjs.org/package/type-is#readme) library and this
+[type-is](https://www.npmjs.com/package/type-is#readme) library and this
 can be an extension name (like `bin`), a mime type (like
 `application/octet-stream`), or a mime type with a wildcard (like `*/*` or
 `application/*`). If a function, the `type` option is called as `fn(req)`
@@ -205,7 +205,7 @@ to `'100kb'`.
 The `type` option is used to determine what media type the middleware will
 parse. This option can be a string, array of strings, or a function. If not
 a function, `type` option is passed directly to the
-[type-is](https://www.npmjs.org/package/type-is#readme) library and this can
+[type-is](https://www.npmjs.com/package/type-is#readme) library and this can
 be an extension name (like `txt`), a mime type (like `text/plain`), or a mime
 type with a wildcard (like `*/*` or `text/*`). If a function, the `type`
 option is called as `fn(req)` and the request is parsed if it returns a
@@ -239,7 +239,7 @@ any of the following keys:
 The "extended" syntax allows for rich objects and arrays to be encoded into the
 URL-encoded format, allowing for a JSON-like experience with URL-encoded. For
 more information, please [see the qs
-library](https://www.npmjs.org/package/qs#readme).
+library](https://www.npmjs.com/package/qs#readme).
 
 Defaults to `false`.
 
@@ -266,7 +266,7 @@ than this value, a 413 will be returned to the client. Defaults to `1000`.
 The `type` option is used to determine what media type the middleware will
 parse. This option can be a string, array of strings, or a function. If not
 a function, `type` option is passed directly to the
-[type-is](https://www.npmjs.org/package/type-is#readme) library and this can
+[type-is](https://www.npmjs.com/package/type-is#readme) library and this can
 be an extension name (like `urlencoded`), a mime type (like
 `application/x-www-form-urlencoded`), or a mime type with a wildcard (like
 `*/x-www-form-urlencoded`). If a function, the `type` option is called as
@@ -488,7 +488,7 @@ app.use(bodyParser.text({ type: 'text/html' }))
 [coveralls-image]: https://img.shields.io/coverallsCoverage/github/expressjs/body-parser?branch=master
 [coveralls-url]: https://coveralls.io/r/expressjs/body-parser?branch=master
 [npm-downloads-image]: https://img.shields.io/npm/dm/body-parser
-[npm-url]: https://npmjs.org/package/body-parser
+[npm-url]: https://npmjs.com/package/body-parser
 [npm-version-image]: https://img.shields.io/npm/v/body-parser
 [ossf-scorecard-badge]: https://api.scorecard.dev/projects/github.com/expressjs/body-parser/badge
-[ossf-scorecard-visualizer]: https://ossf.github.io/scorecard-visualizer/#/projects/github.com/expressjs/body-parser
\ No newline at end of file
+[ossf-scorecard-visualizer]: https://ossf.github.io/scorecard-visualizer/#/projects/github.com/expressjs/body-parser
diff --git a/_includes/readmes/cors.md b/_includes/readmes/cors.md
index 527a0f314e..2a377fd96e 100644
--- a/_includes/readmes/cors.md
+++ b/_includes/readmes/cors.md
@@ -5,9 +5,7 @@
 [![Build Status][github-actions-ci-image]][github-actions-ci-url]
 [![Test Coverage][coveralls-image]][coveralls-url]
 
-CORS is a node.js package for providing a [Connect](http://www.senchalabs.org/connect/)/[Express](http://expressjs.com/) middleware that can be used to enable [CORS](http://en.wikipedia.org/wiki/Cross-origin_resource_sharing) with various options.
-
-**[Follow me (@troygoode) on Twitter!](https://twitter.com/intent/user?screen_name=troygoode)**
+CORS is a [Node.js](https://nodejs.org/en/) package for providing a [Connect](https://github.com/senchalabs/connect)/[Express](https://expressjs.com/) middleware that can be used to enable [CORS](https://developer.mozilla.org/en-US/docs/Web/HTTP/Guides/CORS) with various options.
 
 * [Installation](#installation)
 * [Usage](#usage)
@@ -19,13 +17,13 @@ CORS is a node.js package for providing a [Connect](http://www.senchalabs.org/co
   * [Customizing CORS Settings Dynamically per Request](#customizing-cors-settings-dynamically-per-request)
 * [Configuration Options](#configuration-options)
 * [License](#license)
-* [Author](#author)
+* [Original Author](#original-author)
 
 ## Installation
 
 This is a [Node.js](https://nodejs.org/en/) module available through the
 [npm registry](https://www.npmjs.com/). Installation is done using the
-[`npm install` command](https://docs.npmjs.com/getting-started/installing-npm-packages-locally):
+[`npm install` command](https://docs.npmjs.com/downloading-and-installing-packages-locally):
 
 ```sh
 $ npm install cors
@@ -211,7 +209,7 @@ app.listen(80, function () {
 ## Configuration Options
 
 * `origin`: Configures the **Access-Control-Allow-Origin** CORS header. Possible values:
-  - `Boolean` - set `origin` to `true` to reflect the [request origin](http://tools.ietf.org/html/draft-abarth-origin-09), as defined by `req.header('Origin')`, or set it to `false` to disable CORS.
+  - `Boolean` - set `origin` to `true` to reflect the [request origin](https://datatracker.ietf.org/doc/html/draft-abarth-origin-09), as defined by `req.header('Origin')`, or set it to `false` to disable CORS.
   - `String` - set `origin` to a specific origin. For example, if you set it to
     - `"http://example.com"` only requests from "http://example.com" will be allowed.
     - `"*"` for all domains to be allowed. 
@@ -237,21 +235,21 @@ The default configuration is the equivalent of:
 }
 ```
 
-For details on the effect of each CORS header, read [this](https://web.dev/cross-origin-resource-sharing/) article on web.dev.
+For details on the effect of each CORS header, read [this](https://web.dev/articles/cross-origin-resource-sharing) article.
 
 ## License
 
 [MIT License](http://www.opensource.org/licenses/mit-license.php)
 
-## Author
+## Original Author
 
 [Troy Goode](https://github.com/TroyGoode) ([troygoode@gmail.com](mailto:troygoode@gmail.com))
 
 [coveralls-image]: https://img.shields.io/coveralls/expressjs/cors/master.svg
 [coveralls-url]: https://coveralls.io/r/expressjs/cors?branch=master
 [downloads-image]: https://img.shields.io/npm/dm/cors.svg
-[downloads-url]: https://npmjs.org/package/cors
+[downloads-url]: https://npmjs.com/package/cors
 [github-actions-ci-image]: https://img.shields.io/github/actions/workflow/status/expressjs/cors/ci.yml?branch=master&label=ci
 [github-actions-ci-url]: https://github.com/expressjs/cors?query=workflow%3Aci
 [npm-image]: https://img.shields.io/npm/v/cors.svg
-[npm-url]: https://npmjs.org/package/cors
+[npm-url]: https://npmjs.com/package/cors
diff --git a/_includes/readmes/serve-static.md b/_includes/readmes/serve-static.md
index 70f01c3198..3ff1f1fa39 100644
--- a/_includes/readmes/serve-static.md
+++ b/_includes/readmes/serve-static.md
@@ -18,7 +18,7 @@ $ npm install serve-static
 ## API
 
 ```js
-var serveStatic = require('serve-static')
+const serveStatic = require('serve-static')
 ```
 
 ### serveStatic(root, options)
@@ -132,15 +132,15 @@ the arguments are:
 ### Serve files with vanilla node.js http server
 
 ```js
-var finalhandler = require('finalhandler')
-var http = require('http')
-var serveStatic = require('serve-static')
+const finalhandler = require('finalhandler')
+const http = require('http')
+const serveStatic = require('serve-static')
 
 // Serve up public/ftp folder
-var serve = serveStatic('public/ftp', { index: ['index.html', 'index.htm'] })
+const serve = serveStatic('public/ftp', { index: ['index.html', 'index.htm'] })
 
 // Create server
-var server = http.createServer(function onRequest (req, res) {
+const server = http.createServer((req, res) => {
   serve(req, res, finalhandler(req, res))
 })
 
@@ -151,13 +151,13 @@ server.listen(3000)
 ### Serve all files as downloads
 
 ```js
-var contentDisposition = require('content-disposition')
-var finalhandler = require('finalhandler')
-var http = require('http')
-var serveStatic = require('serve-static')
+const contentDisposition = require('content-disposition')
+const finalhandler = require('finalhandler')
+const http = require('http')
+const serveStatic = require('serve-static')
 
 // Serve up public/ftp folder
-var serve = serveStatic('public/ftp', {
+const serve = serveStatic('public/ftp', {
   index: false,
   setHeaders: setHeaders
 })
@@ -168,7 +168,7 @@ function setHeaders (res, path) {
 }
 
 // Create server
-var server = http.createServer(function onRequest (req, res) {
+const server = http.createServer((req, res) => {
   serve(req, res, finalhandler(req, res))
 })
 
@@ -183,10 +183,10 @@ server.listen(3000)
 This is a simple example of using Express.
 
 ```js
-var express = require('express')
-var serveStatic = require('serve-static')
+const express = require('express')
+const serveStatic = require('serve-static')
 
-var app = express()
+const app = express()
 
 app.use(serveStatic('public/ftp', { index: ['default.html', 'default.htm'] }))
 app.listen(3000)
@@ -199,11 +199,11 @@ Files are searched for in `public-optimized/` first, then `public/` second
 as a fallback.
 
 ```js
-var express = require('express')
-var path = require('path')
-var serveStatic = require('serve-static')
+const express = require('express')
+const path = require('path')
+const serveStatic = require('serve-static')
 
-var app = express()
+const app = express()
 
 app.use(serveStatic(path.join(__dirname, 'public-optimized')))
 app.use(serveStatic(path.join(__dirname, 'public')))
@@ -217,11 +217,11 @@ file. In this example, HTML files are not cached, while everything else
 is for 1 day.
 
 ```js
-var express = require('express')
-var path = require('path')
-var serveStatic = require('serve-static')
+const express = require('express')
+const path = require('path')
+const serveStatic = require('serve-static')
 
-var app = express()
+const app = express()
 
 app.use(serveStatic(path.join(__dirname, 'public'), {
   maxAge: '1d',