diff --git a/.nvmrc b/.nvmrc
index 209e3ef4b6247..82d5d714347ef 100644
--- a/.nvmrc
+++ b/.nvmrc
@@ -1 +1 @@
-20
+24.18
diff --git a/README.md b/README.md
index fc8c00f6821af..323d12493c1fa 100644
--- a/README.md
+++ b/README.md
@@ -35,7 +35,7 @@ You will need Node and npm installed on your computer. Node is a JavaScript runt
 
 If you are not using a package manager, see the [Node.js download page](https://nodejs.org/en/download/) for installers and binaries.
 
-**Note:** WordPress currently only officially supports Node.js `20.x` and npm `10.x`.
+**Note:** WordPress currently only officially supports Node.js `24.x` and npm `11.x`.
 
 You will also need [Docker](https://www.docker.com/products/docker-desktop) installed and running on your computer. Docker is the virtualization software that powers the local development environment. Docker can be installed just like any other regular application.
 
diff --git a/package-lock.json b/package-lock.json
index 44ffc6c3d5c46..564dde2bfb079 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -156,8 +156,8 @@
 				"webpack-livereload-plugin": "3.0.2"
 			},
 			"engines": {
-				"node": ">=20.10.0",
-				"npm": ">=10.2.3"
+				"node": ">=24.18.0",
+				"npm": ">=11.16.0"
 			}
 		},
 		"node_modules/@aashutoshrathi/word-wrap": {
diff --git a/package.json b/package.json
index 4c8a8db1f0b62..bc814eb0e8f9f 100644
--- a/package.json
+++ b/package.json
@@ -7,8 +7,8 @@
 		"url": "https://develop.svn.wordpress.org/trunk"
 	},
 	"engines": {
-		"node": ">=20.10.0",
-		"npm": ">=10.2.3"
+		"node": ">=24.18.0",
+		"npm": ">=11.16.0"
 	},
 	"author": "The WordPress Contributors",
 	"license": "GPL-2.0-or-later",
@@ -171,12 +171,12 @@
 		"wicg-inert": "3.1.3"
 	},
 	"scripts": {
-		"build": "grunt build",
-		"build:dev": "grunt build --dev",
-		"dev": "grunt watch --dev",
-		"test": "grunt test",
-		"watch": "grunt watch",
-		"grunt": "grunt",
+		"build": "node --no-maglev --no-concurrent-sparkplug node_modules/grunt/bin/grunt build",
+		"build:dev": "node --no-maglev --no-concurrent-sparkplug node_modules/grunt/bin/grunt build --dev",
+		"dev": "node --no-maglev --no-concurrent-sparkplug node_modules/grunt/bin/grunt watch --dev",
+		"test": "node --no-maglev --no-concurrent-sparkplug node_modules/grunt/bin/grunt test",
+		"watch": "node --no-maglev --no-concurrent-sparkplug node_modules/grunt/bin/grunt watch",
+		"grunt": "node --no-maglev --no-concurrent-sparkplug node_modules/grunt/bin/grunt",
 		"lint:jsdoc": "wp-scripts lint-js",
 		"lint:jsdoc:fix": "wp-scripts lint-js --fix",
 		"env:start": "node ./tools/local-env/scripts/start.js && node ./tools/local-env/scripts/docker.js run -T --rm php composer update -W",
@@ -193,7 +193,7 @@
 		"test:coverage": "npm run test:php -- --coverage-html ./coverage/html/ --coverage-php ./coverage/php/report.php --coverage-text=./coverage/text/report.txt",
 		"test:e2e": "wp-scripts test-playwright --config tests/e2e/playwright.config.js",
 		"test:visual": "wp-scripts test-playwright --config tests/visual-regression/playwright.config.js",
-		"sync-gutenberg-packages": "grunt sync-gutenberg-packages",
-		"postsync-gutenberg-packages": "grunt wp-packages:sync-stable-blocks && grunt build --dev && grunt build"
+		"sync-gutenberg-packages": "node --no-maglev --no-concurrent-sparkplug node_modules/grunt/bin/grunt sync-gutenberg-packages",
+		"postsync-gutenberg-packages": "node --no-maglev --no-concurrent-sparkplug node_modules/grunt/bin/grunt wp-packages:sync-stable-blocks && node --no-maglev --no-concurrent-sparkplug node_modules/grunt/bin/grunt build --dev && node --no-maglev --no-concurrent-sparkplug node_modules/grunt/bin/grunt build"
 	}
 }
diff --git a/src/wp-content/themes/twentytwentyone/package-lock.json b/src/wp-content/themes/twentytwentyone/package-lock.json
index 6d41b878828b5..94157c3c9a4d7 100644
--- a/src/wp-content/themes/twentytwentyone/package-lock.json
+++ b/src/wp-content/themes/twentytwentyone/package-lock.json
@@ -33,8 +33,8 @@
 				"stylelint-config-recommended-scss": "^14.1.0"
 			},
 			"engines": {
-				"node": ">=20.10.0",
-				"npm": ">=10.2.3"
+				"node": ">=24.18.0",
+				"npm": ">=11.16.0"
 			}
 		},
 		"node_modules/@aashutoshrathi/word-wrap": {
diff --git a/src/wp-content/themes/twentytwentyone/package.json b/src/wp-content/themes/twentytwentyone/package.json
index daac772880ca9..1e6aa03f710e4 100644
--- a/src/wp-content/themes/twentytwentyone/package.json
+++ b/src/wp-content/themes/twentytwentyone/package.json
@@ -13,8 +13,8 @@
 	},
 	"homepage": "https://wordpress.org/themes/twentytwentyone/",
 	"engines": {
-		"node": ">=20.10.0",
-		"npm": ">=10.2.3"
+		"node": ">=24.18.0",
+		"npm": ">=11.16.0"
 	},
 	"devDependencies": {
 		"@wordpress/browserslist-config": "^6.14.0",