diff --git a/.snyk b/.snyk
new file mode 100644
index 000000000000..378de0bfcaa8
--- /dev/null
+++ b/.snyk
@@ -0,0 +1,24 @@
+# Snyk (https://snyk.io) policy file, patches or ignores known vulnerabilities.
+version: v1.25.1
+ignore: {}
+# patches apply the minimum changes required to fix a vulnerability
+patch:
+  SNYK-JS-LODASH-567746:
+    - babel-eslint > @babel/traverse > @babel/helper-function-name > @babel/types > lodash:
+        patched: '2025-07-21T04:23:48.443Z'
+        id: SNYK-JS-LODASH-567746
+        path: >-
+          babel-eslint > @babel/traverse > @babel/helper-function-name >
+          @babel/types > lodash
+    - jest > @jest/core > jest-config > jest-jasmine2 > @babel/traverse > @babel/helper-function-name > @babel/types > lodash:
+        patched: '2025-07-21T04:23:48.443Z'
+        id: SNYK-JS-LODASH-567746
+        path: >-
+          jest > @jest/core > jest-config > jest-jasmine2 > @babel/traverse >
+          @babel/helper-function-name > @babel/types > lodash
+    - jest > @jest/core > jest-config > babel-jest > @types/babel__core > @types/babel__traverse > @babel/types > lodash:
+        patched: '2025-07-21T04:23:48.443Z'
+        id: SNYK-JS-LODASH-567746
+        path: >-
+          jest > @jest/core > jest-config > babel-jest > @types/babel__core >
+          @types/babel__traverse > @babel/types > lodash
diff --git a/package.json b/package.json
index bbc0fa04e0bb..8bbc236d10bb 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "change-case": "^3.1.0",
     "cheerio": "^1.0.0-rc.3",
     "clipboard": "^2.0.6",
-    "compression": "^1.7.4",
+    "compression": "^1.8.1",
     "connect-slashes": "^1.4.0",
     "cookie-parser": "^1.4.5",
     "copy-webpack-plugin": "^6.0.3",
@@ -54,14 +54,14 @@
     "lodash": "^4.17.21",
     "mini-css-extract-plugin": "^0.9.0",
     "mkdirp": "^1.0.3",
-    "morgan": "^1.9.1",
+    "morgan": "^1.10.1",
     "node-fetch": "^2.6.1",
     "platform-utils": "^1.2.0",
     "port-used": "^2.0.8",
     "querystring": "^0.2.0",
     "readline-sync": "^1.4.10",
-    "resolve-url-loader": "^3.1.2",
-    "rimraf": "^3.0.0",
+    "resolve-url-loader": "^5.0.0",
+    "rimraf": "^4.3.1",
     "sass": "^1.26.3",
     "sass-loader": "^9.0.2",
     "search-with-your-keyboard": "1.1.0",
@@ -71,7 +71,8 @@
     "uuid": "^8.3.0",
     "walk-sync": "^1.1.4",
     "webpack": "^5.0.0",
-    "webpack-cli": "^3.3.12"
+    "webpack-cli": "^3.3.12",
+    "@snyk/protect": "latest"
   },
   "devDependencies": {
     "ajv": "^6.11.0",
@@ -96,10 +97,10 @@
     "husky": "^4.2.1",
     "image-size": "^0.7.4",
     "japanese-characters": "^1.1.0",
-    "jest": "^26.0.1",
+    "jest": "^30.0.0",
     "jest-expect-message": "^1.0.2",
     "jest-github-actions-reporter": "^1.0.2",
-    "jest-puppeteer": "^4.4.0",
+    "jest-puppeteer": "^5.0.0",
     "jest-silent-reporter": "^0.2.1",
     "jest-slow-test-reporter": "^1.0.0",
     "make-promises-safe": "^5.1.0",
@@ -115,10 +116,10 @@
     "revalidator": "^0.3.1",
     "robots-parser": "^2.1.1",
     "standard": "^14.3.1",
-    "start-server-and-test": "^1.11.3",
-    "supertest": "^4.0.2",
+    "start-server-and-test": "^2.0.3",
+    "supertest": "^7.1.3",
     "webpack-dev-middleware": "^3.7.2",
-    "website-scraper": "^4.2.0"
+    "website-scraper": "^5.0.0"
   },
   "scripts": {
     "start": "cross-env NODE_ENV=development ENABLED_LANGUAGES='en,ja' nodemon server.js",
@@ -139,7 +140,9 @@
     "check-deps": "node script/check-deps.js",
     "prevent-pushes-to-main": "node script/prevent-pushes-to-main.js",
     "pa11y-ci": "pa11y-ci",
-    "pa11y-test": "start-server-and-test browser-test-server 4001 pa11y-ci"
+    "pa11y-test": "start-server-and-test browser-test-server 4001 pa11y-ci",
+    "prepublish": "npm run snyk-protect",
+    "snyk-protect": "snyk-protect"
   },
   "engines": {
     "node": "12 - 14"
@@ -157,5 +160,6 @@
       "pre-commit": "node script/prevent-translation-commits.js",
       "pre-push": "npm run prevent-pushes-to-main"
     }
-  }
+  },
+  "snyk": true
 }