diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 57f6da6..afeeda0 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -11,39 +11,39 @@ jobs:
     name: Keep Latest
     runs-on: ubuntu-latest
     steps:
-    - name: Checkout
-      uses: actions/checkout@v1
-      with: { fetch-depth: 1 }
-    - name: Install Node.js
-      uses: actions/setup-node@v1
-      with: { node-version: 12.x }
-    - name: Install Packages
-      run: npm install
-    - name: Check ESLint Version
-      uses: ./.github/actions/get-eslint-versions
-      id: versions
-    - name: Test
-      run: npm test
-      if: success() && steps.versions.outputs.installed != steps.versions.outputs.published
-    - name: Bump Version
-      run: |
-        if ! git diff --exit-code --quiet
-        then
-          git config user.name "${GITHUB_ACTOR}"
-          git config user.email "${GITHUB_ACTOR}@users.noreply.github.com"
-          git add .
-          git commit -m "🔖 ${VERSION}"
-          git tag "v$VERSION"
-          git push "https://${GITHUB_ACTOR}:${GITHUB_TOKEN}@github.com/${GITHUB_REPOSITORY}.git" HEAD:master "v${VERSION}"
-        fi
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        VERSION: ${{ steps.versions.outputs.installed }}
-      if: success() && steps.versions.outputs.installed != steps.versions.outputs.published
-    - name: Publish
-      run: |
-        npm config set //registry.npmjs.org/:_authToken=$NODE_AUTH_TOKEN
-        npm publish
-      env:
-        NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
-      if: success() && steps.versions.outputs.installed != steps.versions.outputs.published
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Install Node.js
+        uses: actions/setup-node@v2
+        with:
+          node-version: 16
+      - name: Install Packages
+        run: npm install
+      - name: Check ESLint Version
+        uses: ./.github/actions/get-eslint-versions
+        id: versions
+      - name: Test
+        run: npm test
+        if: success() && steps.versions.outputs.installed != steps.versions.outputs.published
+      - name: Bump Version
+        run: |
+          if ! git diff --exit-code --quiet
+          then
+            git config user.name "${GITHUB_ACTOR}"
+            git config user.email "${GITHUB_ACTOR}@users.noreply.github.com"
+            git add .
+            git commit -m "🔖 ${VERSION}"
+            git tag "v$VERSION"
+            git push "https://${GITHUB_ACTOR}:${GITHUB_TOKEN}@github.com/${GITHUB_REPOSITORY}.git" HEAD:master "v${VERSION}"
+          fi
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          VERSION: ${{ steps.versions.outputs.installed }}
+        if: success() && steps.versions.outputs.installed != steps.versions.outputs.published
+      - name: Publish
+        run: |
+          npm config set //registry.npmjs.org/:_authToken=$NODE_AUTH_TOKEN
+          npm publish
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
+        if: success() && steps.versions.outputs.installed != steps.versions.outputs.published
diff --git a/.last-version b/.last-version
index 6894417..d325e03 100644
--- a/.last-version
+++ b/.last-version
@@ -1 +1 @@
-7.32.0
\ No newline at end of file
+8.0.0-beta.0
\ No newline at end of file
diff --git a/package.json b/package.json
index bd6718d..27d01b3 100644
--- a/package.json
+++ b/package.json
@@ -1,9 +1,9 @@
 {
   "name": "eslint4b",
-  "version": "7.32.0",
+  "version": "8.0.0-beta.0",
   "description": "ESLint which works in browsers.",
   "engines": {
-    "node": "^10.12.0 || >=12.0.0"
+    "node": "^12.22.0 || ^14.17.0 || >=16.0.0"
   },
   "main": "dist/index.js",
   "files": [
@@ -13,10 +13,10 @@
     "debug": "^4.3.2",
     "doctrine": "^3.0.0",
     "escape-string-regexp": "^4.0.0",
-    "eslint-scope": "^5.1.1",
-    "eslint-utils": "^2.1.0",
-    "eslint-visitor-keys": "^2.1.0",
-    "espree": "^7.3.1",
+    "eslint-scope": "^6.0.0",
+    "eslint-utils": "^3.0.0",
+    "eslint-visitor-keys": "^3.0.0",
+    "espree": "^8.0.0",
     "esquery": "^1.4.0",
     "esutils": "^2.0.3",
     "functional-red-black-tree": "^1.0.1",
@@ -30,12 +30,12 @@
   "devDependencies": {
     "@actions/core": "^1.5.0",
     "@babel/core": "^7.15.0",
-    "@mysticatea/eslint-plugin": "^11.0.0",
+    "@mysticatea/eslint-plugin": "^13.0.0",
     "@types/node": "^12.20.20",
     "babel-plugin-minify-constant-folding": "^0.5.0",
     "babel-plugin-minify-dead-code-elimination": "^0.5.1",
     "babel-plugin-transform-inline-environment-variables": "^0.4.3",
-    "eslint": "^7.32.0",
+    "eslint": "^8.0.0-beta.0",
     "fancy-log": "^1.3.3",
     "fs-extra": "^9.1.0",
     "karma": "^5.2.3",
diff --git a/scripts/build.js b/scripts/build.js
index 38e0031..18cd4e4 100644
--- a/scripts/build.js
+++ b/scripts/build.js
@@ -6,6 +6,7 @@
 
 const path = require("path")
 const babel = require("@babel/core")
+const { builtinRules } = require("eslint/use-at-your-own-risk");
 const log = require("fancy-log")
 const fs = require("fs-extra")
 const rollup = require("rollup")
@@ -30,26 +31,13 @@ const resolve = require("./rollup-plugin/resolve")
     //--------------------------------------------------------------------------
     log.info("Update 'scripts/shim/core-rules.js'.")
 
-    const ruleDir = path.resolve("node_modules/eslint/lib/rules")
-    const ruleIds = (await fs.readdir(ruleDir))
-        .filter(
-            filename =>
-                /^[a-z-]+\.js$/u.test(filename) && filename !== "index.js",
-        )
-        .map(filename => path.basename(filename, ".js"))
-    const importDecls = ruleIds
-        .map(
-            (ruleId, index) =>
-                `import _${index} from "eslint/lib/rules/${ruleId}"`,
-        )
-        .join("\n")
-    const exportDecls = ruleIds
-        .map((ruleId, index) => `    "${ruleId}": _${index},`)
+    const exportDecls = [...builtinRules.keys()]
+        .map((ruleId) => `    "${ruleId}": builtinRules.get("${ruleId}"),`)
         .join("\n")
 
     await fs.writeFile(
         "scripts/shim/core-rules.js",
-        `${importDecls}\nexport default {\n${exportDecls}\n}\n`,
+        `const { builtinRules } = require("eslint/use-at-your-own-risk")\nexport default {\n${exportDecls}\n}\n`,
     )
 
     //--------------------------------------------------------------------------
@@ -81,7 +69,6 @@ const resolve = require("./rollup-plugin/resolve")
         plugins: [
             replace({
                 debug: "./scripts/shim/debug.js",
-                "eslint/lib/rules/index.js": "./scripts/shim/rules-index.js",
             }),
             resolve(),
             modify({
diff --git a/scripts/shim/index.js b/scripts/shim/index.js
index 77ef2ea..26cb90e 100644
--- a/scripts/shim/index.js
+++ b/scripts/shim/index.js
@@ -1,4 +1,4 @@
-import { Linter as BaseLinter } from "eslint/lib/linter"
+import { Linter as BaseLinter } from "eslint"
 import coreRules from "./core-rules"
 
 /**
diff --git a/scripts/shim/linter.js b/scripts/shim/linter.js
index 543be28..d41f442 100644
--- a/scripts/shim/linter.js
+++ b/scripts/shim/linter.js
@@ -1,2 +1,2 @@
-import { Linter } from "eslint/lib/linter"
+import { Linter } from "eslint"
 export default Linter