diff --git a/.circleci/config.yml b/.circleci/config.yml
index 9b2358a72c4..bb5ab884002 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -180,7 +180,7 @@ workflows:
 
 linux-defaults: &linux-defaults
   docker:
-    - image: cimg/node:14.21-browsers
+    - image: cimg/node:18.16-browsers
   working_directory: ~/mapbox-gl-js
 
 mac-defaults: &mac-defaults
@@ -542,8 +542,14 @@ jobs:
     <<: *windows-defaults
     steps:
       - checkout
-      - run: $NodeVersion = Get-Content -Path .\.nvmrc; nvm install $NodeVersion; nvm use $NodeVersion
-      - run: npm install --global yarn
+      - run:
+          name: Setup Node.js and Yarn
+          command: |
+            choco uninstall nvm.portable
+            $nodeVersion = Get-Content .nvmrc
+            choco install nodejs --version $nodeVersion
+            npm install -g yarn
+            refreshenv
       - run: yarn --frozen-lockfile
       - run: yarn run build-dev
       - run:
diff --git a/.github/workflows/pull-request-requirements.yml b/.github/workflows/pull-request-requirements.yml
index 4fe02ef7156..e8d7911ce9d 100644
--- a/.github/workflows/pull-request-requirements.yml
+++ b/.github/workflows/pull-request-requirements.yml
@@ -13,10 +13,10 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v3
-      - name: Use Node.js 14.x
+      - name: Use Node.js 18.x
         uses: actions/setup-node@v3
         with:
-          node-version: 14.x
+          node-version: 18.x
       - name: Install dependencies
         run: yarn install --cwd ./.github/actions
       - name: Check if changelog entry exists
diff --git a/.nvmrc b/.nvmrc
index 8aeef54f8df..6d80269a4f0 100644
--- a/.nvmrc
+++ b/.nvmrc
@@ -1 +1 @@
-14.21
+18.16.0
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index e3a8fa8d7fe..5ac04f7e733 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -9,9 +9,9 @@ Install the Xcode Command Line Tools Package
 xcode-select --install
 ```
 
-Install [node.js](https://nodejs.org/) version 14
+Install [node.js](https://nodejs.org/) version 18
 ```bash
-brew install node@14
+brew install node@18
 ```
 Install [yarn](https://yarnpkg.com/en/)
 ```bash
@@ -30,10 +30,10 @@ yarn install
 
 ### Linux
 
-Install [git](https://git-scm.com/), [node.js](https://nodejs.org/) version 14, [GNU Make](http://www.gnu.org/software/make/), and libglew-dev
+Install [git](https://git-scm.com/), [node.js](https://nodejs.org/) version 18, [GNU Make](http://www.gnu.org/software/make/), and libglew-dev
 ```bash
 sudo apt-get update
-curl -sL https://deb.nodesource.com/setup_14.x | sudo bash -
+curl -sL https://deb.nodesource.com/setup_18.x | sudo bash -
 sudo apt-get install build-essential git nodejs libglew-dev libxi-dev
 ```
 
@@ -55,7 +55,7 @@ yarn install
 
 ### Windows
 
-Install [git](https://git-scm.com/), [node.js](https://nodejs.org/) version 14, [yarn](https://yarnpkg.com/en/docs/install#windows-tab), [npm and node-gyp](https://github.com/Microsoft/nodejs-guidelines/blob/master/windows-environment.md#compiling-native-addon-modules).
+Install [git](https://git-scm.com/), [node.js](https://nodejs.org/) version 18, [yarn](https://yarnpkg.com/en/docs/install#windows-tab), [npm and node-gyp](https://github.com/Microsoft/nodejs-guidelines/blob/master/windows-environment.md#compiling-native-addon-modules).
 
 Clone the repository
 ```bash
diff --git a/build/node-loader.js b/build/node-loader.js
index e68d0a214b7..ead997e23b3 100644
--- a/build/node-loader.js
+++ b/build/node-loader.js
@@ -4,36 +4,45 @@ import {dataToEsm} from '@rollup/pluginutils';
 const glslRe = /\.glsl$/;
 const jsonRe = /\.json$/;
 
-export function resolve(specifier, context, defaultResolve) {
+export async function resolve(specifier, context, nextResolve) {
     if (glslRe.test(specifier)) {
         const url = new URL(specifier, context.parentURL).href;
-        return {url};
+        return {url, shortCircuit: true};
     }
-    return defaultResolve(specifier, context, defaultResolve);
-}
 
-export function getFormat(url, context, defaultGetFormat) {
-    if (glslRe.test(url) || jsonRe.test(url)) {
-        return {format: 'module'};
-    }
-    return defaultGetFormat(url, context, defaultGetFormat);
+    return nextResolve(specifier);
 }
 
-export function transformSource(source, context, defaultTransformSource) {
-    if (source.indexOf('@flow') >= 0) {
-        source = flowRemoveTypes(source.toString()).toString();
-        return {source};
+export async function load(url, context, nextLoad) {
+    if (context.format === 'module') {
+        const {source: rawSource} = await nextLoad(url, context);
+        const source = rawSource.toString();
+        if (source.indexOf('@flow') >= 0) {
+            const transformedSource = flowRemoveTypes(source).toString();
+            return {format: 'module', source: transformedSource, shortCircuit: true};
+        }
     }
-    if (glslRe.test(context.url)) {
-        return {source: `export default \`${source}\``};
+
+    if (glslRe.test(url)) {
+        const {source: rawSource} = await nextLoad(url, {...context, format: 'module'});
+        const source = `export default \`${rawSource.toString()}\``;
+        return {format: 'module', source, shortCircuit: true};
     }
-    if (jsonRe.test(context.url)) {
-        source = dataToEsm(JSON.parse(source), {
+
+    if (jsonRe.test(url)) {
+        const {source: rawSource} = await nextLoad(url, {...context,
+            // Force import assertions as "assert { type: 'json' }"
+            importAssertions: {type: 'json'}
+        });
+
+        const source = dataToEsm(JSON.parse(rawSource.toString()), {
             preferConst: true,
             namedExports: true,
             indent: '    '
         });
-        return {source};
+
+        return {format: 'module', source, shortCircuit: true};
     }
-    return defaultTransformSource(source, context, defaultTransformSource);
+
+    return nextLoad(url);
 }
diff --git a/test/util/test.js b/test/util/test.js
index fb384e65c2a..c6c0445bb89 100644
--- a/test/util/test.js
+++ b/test/util/test.js
@@ -4,6 +4,10 @@ import tap from 'tap';
 /*eslint-disable import/no-named-as-default-member */
 import sinon from 'sinon';
 
+// Disable MessageChannel in unit tests since
+// it prevents a Node.js process from exiting.
+delete global.MessageChannel;
+
 type CreateTest = (typeof sinon) & {
     (name: string, body: (test: CreateTest) => void): void,