diff --git a/package-lock.json b/package-lock.json
index 3785880755c..189e2a83a75 100644
--- a/package-lock.json
+++ b/package-lock.json
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         "node": ">=16.3.0"
       }
@@ -12169,7 +12082,9 @@
         "ws": "8.14.2"
       },
       "devDependencies": {
+        "@types/debug": "4.1.10",
         "@types/node": "18.17.15",
+        "@types/ws": "8.5.8",
         "mitt": "3.0.1",
         "parsel-js": "1.1.2",
         "rxjs": "7.8.1"
@@ -12197,14 +12112,27 @@
       "dependencies": {
         "mime": "3.0.0",
         "ws": "8.14.2"
+      },
+      "devDependencies": {
+        "@types/mime": "3.0.3"
       }
     },
     "test": {
       "name": "@puppeteer-test/test",
       "version": "latest",
       "dependencies": {
+        "@pptr/testserver": "file:../packages/testserver",
+        "diff": "5.1.0",
+        "jpeg-js": "0.4.4",
+        "pixelmatch": "5.3.0",
+        "pngjs": "7.0.0",
         "puppeteer": "file:../packages/puppeteer",
         "puppeteer-core": "file:../packages/puppeteer-core"
+      },
+      "devDependencies": {
+        "@types/diff": "5.0.7",
+        "@types/pixelmatch": "5.2.5",
+        "@types/pngjs": "6.0.3"
       }
     },
     "test/installation": {
@@ -12245,20 +12173,27 @@
       },
       "devDependencies": {
         "@types/doctrine": "0.0.8",
-        "@types/source-map-support": "0.5.9"
+        "@types/source-map-support": "0.5.9",
+        "@types/yargs": "17.0.29"
       }
     },
     "tools/eslint": {
       "name": "@puppeteer/eslint",
       "version": "0.1.0",
-      "license": "Apache-2.0"
+      "license": "Apache-2.0",
+      "dependencies": {
+        "@prettier/sync": "0.3.0"
+      }
     },
     "tools/mocha-runner": {
       "name": "@puppeteer/mocha-runner",
       "version": "0.1.0",
       "license": "Apache-2.0",
       "dependencies": {
-        "puppeteer-core": "file:../../packages/puppeteer-core"
+        "c8": "8.0.1",
+        "glob": "10.3.10",
+        "puppeteer-core": "file:../../packages/puppeteer-core",
+        "zod": "3.22.4"
       },
       "bin": {
         "mocha-runner": "bin/mocha-runner.js"
diff --git a/package.json b/package.json
index 70b6ffe949d..90a7c338bbf 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,6 @@
     "format:eslint": "eslint --ext js --ext ts --fix .",
     "format:expectations": "node tools/sort-test-expectations.js",
     "format:prettier": "prettier --write .",
-    "generate:markdown": "tsx tools/generate_docs.ts",
     "lint": "run-s lint:*",
     "lint:eslint": "([ \"$CI\" = true ] && eslint --ext js --ext ts --quiet -f codeframe . || eslint --ext js --ext ts .)",
     "lint:prettier": "prettier --check .",
@@ -119,27 +118,13 @@
     "@microsoft/api-extractor": "7.38.2",
     "@pptr/testserver": "file:packages/testserver",
     "@puppeteer/docgen": "file:tools/docgen",
-    "@prettier/sync": "0.3.0",
-    "@types/debug": "4.1.10",
-    "@types/diff": "5.0.7",
-    "@types/mime": "3.0.3",
     "@types/mocha": "10.0.3",
     "@types/node": "20.8.4",
-    "@types/pixelmatch": "5.2.5",
-    "@types/pngjs": "6.0.3",
-    "@types/progress": "2.0.6",
     "@types/semver": "7.5.4",
     "@types/sinon": "17.0.0",
-    "@types/tar-fs": "2.0.3",
-    "@types/unbzip2-stream": "1.4.2",
-    "@types/ws": "8.5.8",
-    "@types/yargs": "17.0.29",
     "@typescript-eslint/eslint-plugin": "6.9.1",
     "@typescript-eslint/parser": "6.9.1",
-    "c8": "8.0.1",
-    "commonmark": "0.30.0",
     "cross-env": "7.0.3",
-    "diff": "5.1.0",
     "esbuild": "0.19.5",
     "eslint": "8.53.0",
     "eslint-config-prettier": "9.0.0",
@@ -153,31 +138,21 @@
     "eslint-plugin-rulesdir": "0.2.2",
     "eslint-plugin-tsdoc": "0.2.17",
     "eslint-plugin-unused-imports": "3.0.0",
-    "esprima": "4.0.1",
     "expect": "29.7.0",
-    "glob": "10.3.10",
     "gts": "5.2.0",
-    "jpeg-js": "0.4.4",
     "license-checker": "25.0.1",
-    "mime": "3.0.0",
-    "minimist": "1.2.8",
     "mocha": "10.2.0",
-    "ncp": "2.0.0",
     "npm-run-all": "4.1.5",
-    "pixelmatch": "5.3.0",
-    "pngjs": "7.0.0",
     "prettier": "3.0.3",
     "puppeteer": "file:packages/puppeteer",
     "semver": "7.5.4",
     "sinon": "17.0.1",
     "source-map-support": "0.5.21",
     "spdx-satisfies": "5.0.1",
-    "text-diff": "1.0.1",
     "tsd": "0.29.0",
     "tsx": "3.14.0",
     "typescript": "5.2.2",
-    "wireit": "0.14.1",
-    "zod": "3.22.4"
+    "wireit": "0.14.1"
   },
   "overrides": {
     "@microsoft/api-extractor": {
diff --git a/packages/browsers/package.json b/packages/browsers/package.json
index c28a94014fb..8442ba4b05f 100644
--- a/packages/browsers/package.json
+++ b/packages/browsers/package.json
@@ -101,5 +101,12 @@
     "tar-fs": "3.0.4",
     "unbzip2-stream": "1.4.3",
     "yargs": "17.7.2"
+  },
+  "devDependencies": {
+    "@types/debug": "4.1.10",
+    "@types/progress": "2.0.6",
+    "@types/tar-fs": "2.0.3",
+    "@types/unbzip2-stream": "1.4.2",
+    "@types/yargs": "17.0.29"
   }
 }
diff --git a/packages/browsers/test/src/versions.ts b/packages/browsers/test/src/versions.ts
index 37d9340d1b9..212ec95bd40 100644
--- a/packages/browsers/test/src/versions.ts
+++ b/packages/browsers/test/src/versions.ts
@@ -16,6 +16,6 @@
 
 export const testChromeBuildId = '113.0.5672.0';
 export const testChromiumBuildId = '1083080';
-export const testFirefoxBuildId = '120.0a1';
+export const testFirefoxBuildId = '121.0a1';
 export const testChromeDriverBuildId = '115.0.5763.0';
 export const testChromeHeadlessShellBuildId = '118.0.5950.0';
diff --git a/packages/puppeteer-core/package.json b/packages/puppeteer-core/package.json
index 8d053a80432..c01f14dcd65 100644
--- a/packages/puppeteer-core/package.json
+++ b/packages/puppeteer-core/package.json
@@ -126,7 +126,9 @@
     "ws": "8.14.2"
   },
   "devDependencies": {
+    "@types/debug": "4.1.10",
     "@types/node": "18.17.15",
+    "@types/ws": "8.5.8",
     "mitt": "3.0.1",
     "parsel-js": "1.1.2",
     "rxjs": "7.8.1"
diff --git a/packages/testserver/package.json b/packages/testserver/package.json
index c24da3aa29f..b6b2cccb0db 100644
--- a/packages/testserver/package.json
+++ b/packages/testserver/package.json
@@ -29,5 +29,8 @@
   "dependencies": {
     "mime": "3.0.0",
     "ws": "8.14.2"
+  },
+  "devDependencies": {
+    "@types/mime": "3.0.3"
   }
 }
diff --git a/test/package.json b/test/package.json
index 16053d03067..c253cff16bd 100644
--- a/test/package.json
+++ b/test/package.json
@@ -24,7 +24,17 @@
     }
   },
   "dependencies": {
+    "@pptr/testserver": "file:../packages/testserver",
+    "diff": "5.1.0",
+    "jpeg-js": "0.4.4",
+    "pixelmatch": "5.3.0",
+    "pngjs": "7.0.0",
     "puppeteer-core": "file:../packages/puppeteer-core",
     "puppeteer": "file:../packages/puppeteer"
+  },
+  "devDependencies": {
+    "@types/diff": "5.0.7",
+    "@types/pixelmatch": "5.2.5",
+    "@types/pngjs": "6.0.3"
   }
 }
diff --git a/tools/doctest/package.json b/tools/doctest/package.json
index e22ded4e03d..e30b0e3f132 100644
--- a/tools/doctest/package.json
+++ b/tools/doctest/package.json
@@ -35,6 +35,7 @@
   },
   "devDependencies": {
     "@types/doctrine": "0.0.8",
-    "@types/source-map-support": "0.5.9"
+    "@types/source-map-support": "0.5.9",
+    "@types/yargs": "17.0.29"
   }
 }
diff --git a/tools/eslint/package.json b/tools/eslint/package.json
index 89b7bfae856..c4f68bd7e8f 100644
--- a/tools/eslint/package.json
+++ b/tools/eslint/package.json
@@ -30,5 +30,8 @@
     }
   },
   "author": "The Chromium Authors",
-  "license": "Apache-2.0"
+  "license": "Apache-2.0",
+  "dependencies": {
+    "@prettier/sync": "0.3.0"
+  }
 }
diff --git a/tools/generate-matrix.js b/tools/generate-matrix.js
deleted file mode 100644
index 1cb65d34914..00000000000
--- a/tools/generate-matrix.js
+++ /dev/null
@@ -1,43 +0,0 @@
-const fs = require('fs');
-
-const data = JSON.parse(fs.readFileSync('./test/TestSuites.json', 'utf-8'));
-
-/**
- * @param {string} platform
- * @returns {string}
- */
-function mapPlatform(platform) {
-  switch (platform) {
-    case 'linux':
-      return 'ubuntu-latest';
-    case 'win32':
-      return 'windows-latest';
-    case 'darwin':
-      return 'macos-latest';
-    default:
-      throw new Error('Unsupported platform');
-  }
-}
-
-const result = [];
-for (const suite of data.testSuites) {
-  for (const platform of suite.platforms) {
-    if (platform === 'linux' && suite.id !== 'firefox-bidi') {
-      for (const node of [14, 16, 18]) {
-        result.push(`- name: ${suite.id}
-  machine: ${mapPlatform(platform)}
-  xvfb: true
-  node: ${node}
-  suite: ${suite.id}`);
-      }
-    } else {
-      result.push(`- name: ${suite.id}
-  machine: ${mapPlatform(platform)}
-  xvfb: ${platform === 'linux'}
-  node: 18
-  suite: ${suite.id}`);
-    }
-  }
-}
-
-console.log(result.join('\n'));
diff --git a/tools/mocha-runner/package.json b/tools/mocha-runner/package.json
index 30037868085..2456a14fbc5 100644
--- a/tools/mocha-runner/package.json
+++ b/tools/mocha-runner/package.json
@@ -34,6 +34,9 @@
     }
   },
   "dependencies": {
-    "puppeteer-core": "file:../../packages/puppeteer-core"
+    "c8": "8.0.1",
+    "glob": "10.3.10",
+    "puppeteer-core": "file:../../packages/puppeteer-core",
+    "zod": "3.22.4"
   }
 }
diff --git a/tools/remove_version_suffix.js b/tools/remove_version_suffix.js
deleted file mode 100644
index 091a35ec9b0..00000000000
--- a/tools/remove_version_suffix.js
+++ /dev/null
@@ -1,26 +0,0 @@
-/**
- * Copyright 2020 Google Inc. All rights reserved.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-const fs = require('fs');
-const json = fs.readFileSync('./package.json', 'utf8').toString();
-const pkg = JSON.parse(json);
-const oldVersion = pkg.version;
-const version = oldVersion.replace(/-post$/, '');
-const updated = json.replace(
-  `"version": "${oldVersion}"`,
-  `"version": "${version}"`
-);
-fs.writeFileSync('./package.json', updated);