diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index f7b7da2..5860acf 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -20,7 +20,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest]
-        node: [14, 16, 18, 20]
+        node: [16, 18, 20]
 
     steps:
       - name: Clone repository
diff --git a/CHANGELOG b/CHANGELOG
index 46bebbf..43ea6ea 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,7 @@
+v9.0.0:
+  date: 2023-07-23
+  changes:
+    - Drop Node.js 14.
 v8.1.0:
   date: 2023-04-30
   changes:
diff --git a/README.md b/README.md
index ffb76f3..7d3ac3a 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# grunt-contrib-internal v8.0.2 [![Build Status](https://github.com/gruntjs/grunt-contrib-internal/workflows/Tests/badge.svg)](https://github.com/gruntjs/grunt-contrib-internal/actions?workflow=Tests)
+# grunt-contrib-internal v9.0.0 [![Build Status](https://github.com/gruntjs/grunt-contrib-internal/workflows/Tests/badge.svg)](https://github.com/gruntjs/grunt-contrib-internal/actions?workflow=Tests)
 
 > Internal tasks for managing the grunt-contrib projects
 
@@ -35,6 +35,7 @@ grunt.registerTask('default', ['jshint', 'contrib-core', 'contrib-ci:skipIfExist
 
 ## Release History
 
+ * 2023-07-23   v9.0.0   Drop Node.js 14.
  * 2023-04-30   v8.1.0   Add Node.js 20. Update dependencies.
  * 2022-10-21   v8.0.0   Drop node 12, test on node 18. Update dependencies.
  * 2021-07-08   v7.0.0   Update GitHub Actions config. Update dependencies.
diff --git a/package-lock.json b/package-lock.json
index b880cfd..c85c4b4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "grunt-contrib-internal",
-  "version": "8.1.0",
+  "version": "9.0.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "grunt-contrib-internal",
-      "version": "8.1.0",
+      "version": "9.0.0",
       "license": "MIT",
       "dependencies": {
         "read-package-json": "^6.0.2"
@@ -16,7 +16,7 @@
         "grunt-contrib-jshint": "^3.2.0"
       },
       "engines": {
-        "node": ">=14"
+        "node": ">=16"
       },
       "peerDependencies": {
         "grunt": ">=0.4.0"
diff --git a/package.json b/package.json
index cc11d1e..04e59df 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "grunt-contrib-internal",
   "description": "Internal tasks for managing the grunt-contrib projects",
-  "version": "8.1.0",
+  "version": "9.0.0",
   "author": {
     "name": "Grunt Team",
     "url": "https://gruntjs.com/"
@@ -9,7 +9,7 @@
   "repository": "gruntjs/grunt-contrib-internal",
   "license": "MIT",
   "engines": {
-    "node": ">=14"
+    "node": ">=16"
   },
   "scripts": {
     "test": "grunt test"