diff --git a/package.json b/package.json
index 12971007d..18501ceb2 100644
--- a/package.json
+++ b/package.json
@@ -27,11 +27,11 @@
     "eslint-plugin-node": "11.1.0",
     "eslint-plugin-promise": "6.1.1",
     "eslint-plugin-standard": "4.1.0",
-    "got": "11.8.6",
     "media-typer": "1.1.0",
     "mocha": "10.2.0",
     "nyc": "15.1.0",
-    "stream-to-array": "2.3.0"
+    "stream-to-array": "2.3.0",
+    "undici": "7.1.0"
   },
   "files": [
     "HISTORY.md",
diff --git a/scripts/fetch-apache.js b/scripts/fetch-apache.js
index ef29b113b..5967df556 100644
--- a/scripts/fetch-apache.js
+++ b/scripts/fetch-apache.js
@@ -11,8 +11,8 @@
  * Convert these text files to JSON for browser usage.
  */
 
-var got = require('got')
 var writedb = require('./lib/write-db')
+var { request } = require('./lib/request')
 
 /**
  * Mime types and associated extensions are stored in the form:
@@ -32,14 +32,15 @@ var TYPE_LINE_REGEXP = /^(?:# )?([\w-]+\/[\w+.-]+)((?:\s+[\w-]+)*)$/gm
 var URL = 'https://svn.apache.org/repos/asf/httpd/httpd/trunk/docs/conf/mime.types'
 
 ;(async function () {
-  const res = await got(URL)
+  const res = await request(URL)
 
   var json = {}
   var match = null
+  var body = await res.body.text()
 
   TYPE_LINE_REGEXP.index = 0
 
-  while ((match = TYPE_LINE_REGEXP.exec(res.body))) {
+  while ((match = TYPE_LINE_REGEXP.exec(body))) {
     var mime = match[1]
 
     if (mime.slice(-8) === '/example') {
diff --git a/scripts/fetch-iana.js b/scripts/fetch-iana.js
index 60766210a..ec6cd4ba5 100644
--- a/scripts/fetch-iana.js
+++ b/scripts/fetch-iana.js
@@ -9,7 +9,7 @@
  * Convert the IANA definitions from CSV to local.
  */
 
-var got = require('got')
+var { request } = require('./lib/request')
 var parser = require('csv-parse')
 var toArray = require('stream-to-array')
 var typer = require('media-typer')
@@ -93,15 +93,16 @@ async function addTemplateData (data, options) {
   if (!data.template) {
     return
   }
-
-  let res = await got('https://www.iana.org/assignments/media-types/' + data.template)
+  let url = 'https://www.iana.org/assignments/media-types/' + data.template
+  let res = await request(url)
   var ref = data.type + '/' + data.name
   var rfc = getRfcReferences(data.reference)[0]
 
   if (res.statusCode === 404 && data.template !== ref) {
     console.log('template ' + data.template + ' not found, retry as ' + ref)
     data.template = ref
-    res = await got('https://www.iana.org/assignments/media-types/' + ref)
+    url = 'https://www.iana.org/assignments/media-types/' + ref
+    res = await request(url)
 
     // replace the guessed mime
     if (res.statusCode === 200) {
@@ -111,7 +112,8 @@ async function addTemplateData (data, options) {
 
   if (res.statusCode === 404 && rfc !== undefined) {
     console.log('template ' + data.template + ' not found, fetch ' + rfc)
-    res = await got('https://tools.ietf.org/rfc/' + rfc.toLowerCase() + '.txt')
+    url = 'https://www.rfc-editor.org/rfc/' + rfc.toLowerCase() + '.txt'
+    res = await request(url)
   }
 
   if (res.statusCode === 404) {
@@ -123,11 +125,11 @@ async function addTemplateData (data, options) {
     throw new Error('got status code ' + res.statusCode + ' from template ' + data.template)
   }
 
-  var body = getTemplateBody(res.body)
+  var body = getTemplateBody(await res.body.text())
   var mime = extractTemplateMime(body)
 
   // add the template as a source
-  addSource(data, res.url)
+  addSource(data, url)
 
   if (mimeEql(mime, data.mime)) {
     // use extracted mime
@@ -213,13 +215,14 @@ function extractTemplateExtensions (body) {
 }
 
 async function get (type, options) {
-  const res = await got('https://www.iana.org/assignments/media-types/' + encodeURIComponent(type) + '.csv')
+  const res = await request('https://www.iana.org/assignments/media-types/' + encodeURIComponent(type) + '.csv')
 
   if (res.statusCode !== 200) {
     throw new Error('got status code ' + res.statusCode + ' from ' + type)
   }
 
-  const mimes = await toArray(parser(res.body))
+  const responseText = await res.body.text()
+  const mimes = await toArray(parser(responseText))
   var headers = mimes.shift().map(normalizeHeader)
   var reduceRows = generateRowMapper(headers)
   const results = []
diff --git a/scripts/fetch-nginx.js b/scripts/fetch-nginx.js
index 758193eb5..d42b14c7d 100644
--- a/scripts/fetch-nginx.js
+++ b/scripts/fetch-nginx.js
@@ -11,7 +11,7 @@
  * Convert these text files to JSON for browser usage.
  */
 
-var got = require('got')
+var { request } = require('./lib/request')
 var writedb = require('./lib/write-db')
 
 /**
@@ -30,14 +30,15 @@ var TYPE_LINE_REGEXP = /^\s*([\w-]+\/[\w+.-]+)((?:\s+[\w-]+)*);\s*$/gm
 var URL = 'https://raw.githubusercontent.com/nginx/nginx/master/conf/mime.types'
 
 ;(async function () {
-  const res = await got(URL)
+  const res = await request(URL)
 
   var json = {}
   var match = null
+  var body = await res.body.text()
 
   TYPE_LINE_REGEXP.index = 0
 
-  while ((match = TYPE_LINE_REGEXP.exec(res.body))) {
+  while ((match = TYPE_LINE_REGEXP.exec(body))) {
     var mime = match[1]
 
     // parse the extensions
diff --git a/scripts/lib/request.js b/scripts/lib/request.js
new file mode 100644
index 000000000..09db2a85c
--- /dev/null
+++ b/scripts/lib/request.js
@@ -0,0 +1,9 @@
+const { request } = require('undici')
+
+// Undici does not send the user-agent header, which causes the request to fail for the IANA script.
+module.exports.request = async function (url, options) {
+  return request(url, {
+    ...options,
+    headers: { 'User-Agent': 'node' }
+  })
+}