diff --git a/.github/workflows/a11y_tests.yml b/.github/workflows/a11y_tests.yml
index bfb4de3f826..c94f4b9a4b4 100644
--- a/.github/workflows/a11y_tests.yml
+++ b/.github/workflows/a11y_tests.yml
@@ -41,7 +41,7 @@ jobs:
     - uses: actions/checkout@v5
     - uses: actions/setup-node@v4
       with:
-        node-version: 20
+        node-version: 24
     - name: Install dependencies
       run: cd tests/playwright && npm ci && npm run install-deps
     - name: Run accessibility tests
diff --git a/.github/workflows/integration_tests.yml b/.github/workflows/integration_tests.yml
index d2056ab8f3f..fe4b9a69e63 100644
--- a/.github/workflows/integration_tests.yml
+++ b/.github/workflows/integration_tests.yml
@@ -108,7 +108,7 @@ jobs:
     - uses: actions/checkout@v5
     - uses: actions/setup-node@v4
       with:
-        node-version: 20
+        node-version: 24
     - name: Install dependencies
       run: cd tests/playwright && npm ci && npm run install-deps
     - name: Run Playwright tests
diff --git a/.github/workflows/unit_tests.yml b/.github/workflows/unit_tests.yml
index 755bcbbed85..ea80e853d66 100644
--- a/.github/workflows/unit_tests.yml
+++ b/.github/workflows/unit_tests.yml
@@ -19,7 +19,7 @@ jobs:
       - uses: actions/checkout@v5
       - uses: actions/setup-node@v4
         with:
-          node-version: 20
+          node-version: 24
           cache: npm
       - name: "Install JS dependencies"
         run: npm ci
diff --git a/Dockerfile b/Dockerfile
index 646b80776ef..fb13a88f7db 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -22,7 +22,7 @@ RUN pip install --require-hashes --no-cache-dir -r requirements/prod.txt
 ########
 # assets builder and dev server
 #
-FROM node:20.14.0-slim AS assets
+FROM node:24-slim AS assets
 
 ENV PATH=/app/node_modules/.bin:$PATH
 WORKDIR /app
diff --git a/package-lock.json b/package-lock.json
index af68b7e5cc7..794472bbd84 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -47,6 +47,10 @@
         "stylelint-config-standard-scss": "^13.1.0",
         "svgo": "^4.0.0",
         "webpack-dev-server": "^5.2.2"
+      },
+      "engines": {
+        "node": "^24.0.0",
+        "npm": "^11.6.4"
       }
     },
     "node_modules/@aashutoshrathi/word-wrap": {
@@ -86,7 +90,6 @@
       "resolved": "https://registry.npmjs.org/@babel/core/-/core-7.28.5.tgz",
       "integrity": "sha512-e7jT4DxYvIDLk1ZHmU/m/mB19rex9sv0c2ftBtjSBv+kVM/902eh0fINUzD7UwLLNR+jU585GxUJ8/EBfAM5fw==",
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "@babel/code-frame": "^7.27.1",
         "@babel/generator": "^7.28.5",
@@ -1550,7 +1553,6 @@
           "url": "https://opencollective.com/csstools"
         }
       ],
-      "peer": true,
       "engines": {
         "node": ">=18"
       },
@@ -1573,7 +1575,6 @@
           "url": "https://opencollective.com/csstools"
         }
       ],
-      "peer": true,
       "engines": {
         "node": ">=18"
       }
@@ -2117,8 +2118,7 @@
     "node_modules/@mozmeao/cookie-helper": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/@mozmeao/cookie-helper/-/cookie-helper-1.1.0.tgz",
-      "integrity": "sha512-9eF1kckwlNw28pJhMcheE0jdMOJXgRnDOYkp0q86I16uoeyR5jhCT7B68EXWW1JFJILsX7tY0snZlAksTCp8hw==",
-      "peer": true
+      "integrity": "sha512-9eF1kckwlNw28pJhMcheE0jdMOJXgRnDOYkp0q86I16uoeyR5jhCT7B68EXWW1JFJILsX7tY0snZlAksTCp8hw=="
     },
     "node_modules/@mozmeao/dnt-helper": {
       "version": "1.0.0",
@@ -3006,7 +3006,6 @@
       "resolved": "https://registry.npmjs.org/acorn/-/acorn-8.15.0.tgz",
       "integrity": "sha512-NZyJarBfL7nWwIq+FDL6Zp/yHEhePMNnnJ0y3qfieCrmNvYct8uvtiV41UvlSe6apAfk0fY1FbWx+NwfmpvtTg==",
       "license": "MIT",
-      "peer": true,
       "bin": {
         "acorn": "bin/acorn"
       },
@@ -3366,7 +3365,6 @@
         }
       ],
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "baseline-browser-mapping": "^2.8.25",
         "caniuse-lite": "^1.0.30001754",
@@ -4627,7 +4625,6 @@
       "integrity": "sha512-LSehfdpgMeWcTZkWZVIJl+tkZ2nuSkyyB9C27MZqFWXuph7DvaowgcTvKqxvpLW1JZIk8PN7hFY3Rj9LQ7m7lg==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "@eslint-community/eslint-utils": "^4.2.0",
         "@eslint-community/regexpp": "^4.12.1",
@@ -6504,8 +6501,7 @@
       "resolved": "https://registry.npmjs.org/jasmine-core/-/jasmine-core-5.12.1.tgz",
       "integrity": "sha512-P/UbRZ0LKwXe7wEpwDheuhunPwITn4oPALhrJEQJo6756EwNGnsK/TSQrWojBB4cQDQ+VaxWYws9tFNDuiMh2Q==",
       "dev": true,
-      "license": "MIT",
-      "peer": true
+      "license": "MIT"
     },
     "node_modules/jest-util": {
       "version": "29.7.0",
@@ -7504,7 +7500,6 @@
           "url": "https://github.com/sponsors/ai"
         }
       ],
-      "peer": true,
       "dependencies": {
         "nanoid": "^3.3.7",
         "picocolors": "^1.1.0",
@@ -8030,7 +8025,6 @@
       "version": "6.1.2",
       "resolved": "https://registry.npmjs.org/postcss-selector-parser/-/postcss-selector-parser-6.1.2.tgz",
       "integrity": "sha512-Q8qQfPiZ+THO/3ZrOrO0cJJKfpYCagtMUkXbnEfmgUjwXg6z/WBeOyS9APBBPCTSiDV+s4SwQGu8yFsiMRIudg==",
-      "peer": true,
       "dependencies": {
         "cssesc": "^3.0.0",
         "util-deprecate": "^1.0.2"
@@ -8628,7 +8622,6 @@
       "version": "8.11.2",
       "resolved": "https://registry.npmjs.org/ajv/-/ajv-8.11.2.tgz",
       "integrity": "sha512-E4bfmKAhGiSTvMfL1Myyycaub+cUEU2/IvpylXkUu7CHBkBj1f/ikdzbD7YQ6FKUbixDxeYvB/xY4fvyroDlQg==",
-      "peer": true,
       "dependencies": {
         "fast-deep-equal": "^3.1.1",
         "json-schema-traverse": "^1.0.0",
@@ -9245,7 +9238,6 @@
           "url": "https://github.com/sponsors/stylelint"
         }
       ],
-      "peer": true,
       "dependencies": {
         "@csstools/css-parser-algorithms": "^3.0.1",
         "@csstools/css-tokenizer": "^3.0.1",
@@ -9715,7 +9707,6 @@
       "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-4.0.2.tgz",
       "integrity": "sha512-M7BAV6Rlcy5u+m6oPhAPFgJTzAioX/6B0DxyvDlo9l8+T3nLKbrczg2WLUyzd45L8RqfUMyGPzekbMvX2Ldkwg==",
       "license": "MIT",
-      "peer": true,
       "engines": {
         "node": ">=12"
       },
@@ -9782,8 +9773,7 @@
     "node_modules/tslib": {
       "version": "2.6.2",
       "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.6.2.tgz",
-      "integrity": "sha512-AEYxH93jGFPn/a2iVAwW87VuUIkR1FVUKB77NwMF7nBTDkDrrT/Hpt/IrCJ0QXhW27jTBDcf5ZY7w6RiqTMw2Q==",
-      "peer": true
+      "integrity": "sha512-AEYxH93jGFPn/a2iVAwW87VuUIkR1FVUKB77NwMF7nBTDkDrrT/Hpt/IrCJ0QXhW27jTBDcf5ZY7w6RiqTMw2Q=="
     },
     "node_modules/type-check": {
       "version": "0.4.0",
@@ -9964,7 +9954,6 @@
       "resolved": "https://registry.npmjs.org/webpack/-/webpack-5.103.0.tgz",
       "integrity": "sha512-HU1JOuV1OavsZ+mfigY0j8d1TgQgbZ6M+J75zDkpEAwYeXjWSqrGJtgnPblJjd/mAyTNQ7ygw0MiKOn6etz8yw==",
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "@types/eslint-scope": "^3.7.7",
         "@types/estree": "^1.0.8",
@@ -10012,7 +10001,6 @@
       "version": "6.0.1",
       "resolved": "https://registry.npmjs.org/webpack-cli/-/webpack-cli-6.0.1.tgz",
       "integrity": "sha512-MfwFQ6SfwinsUVi0rNJm7rHZ31GyTcpVE5pgVA3hwFRb7COD4TzjUUwhGWKfO50+xdc2MQPuEBBJoqIMGt3JDw==",
-      "peer": true,
       "dependencies": {
         "@discoveryjs/json-ext": "^0.6.1",
         "@webpack-cli/configtest": "^3.0.1",
diff --git a/package.json b/package.json
index 64769d4166b..2040839165c 100644
--- a/package.json
+++ b/package.json
@@ -3,6 +3,10 @@
   "version": "0.1.0",
   "description": "Making mozilla.org awesome, one pebble at a time",
   "private": true,
+  "engines": {
+    "node": "^24.0.0",
+    "npm": "^11.6.4"
+  },
   "dependencies": {
     "@babel/core": "^7.28.5",
     "@babel/preset-env": "^7.28.5",