diff --git a/.eslintignore b/.eslintignore
new file mode 100644
index 0000000..9ff5c1c
--- /dev/null
+++ b/.eslintignore
@@ -0,0 +1,4 @@
+lib/
+dist/
+node_modules/
+coverage/
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c6651df..88f3c06 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -37,9 +37,9 @@ jobs:
         id: npm-format-check
         run: npm run format:check
 
-      # - name: Lint
-      #   id: npm-lint
-      #   run: npm run lint
+      - name: Lint
+        id: npm-lint
+        run: npm run lint
 
       - name: Test
         id: npm-ci-test
diff --git a/eslint.config.js b/eslint.config.js
deleted file mode 100644
index 3ed13d3..0000000
--- a/eslint.config.js
+++ /dev/null
@@ -1,5 +0,0 @@
-export default [
-  {
-    ignores: ['dist/**', 'lib/**', 'node_modules/**', 'coverage/**', '**/*.yml']
-  }
-]
diff --git a/package.json b/package.json
index b1fcdc8..de5560d 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
     "package": "npx ncc build src/index.ts -o dist --source-map --license licenses.txt",
     "package:watch": "npm run package -- --watch",
     "test": "npx jest",
-    "all": "npm run format:write && npm run test && npm run coverage && npm run package"
+    "all": "npm run format:write && npm run lint && npm run test && npm run coverage && npm run package"
   },
   "engines": {
     "node": ">=21"
@@ -40,7 +40,7 @@
     "@types/node": "^22.10.1",
     "@typescript-eslint/parser": "^8.16.0",
     "@vercel/ncc": "^0.38.3",
-    "eslint": "^9.16.0",
+    "eslint": "^8.0.1",
     "eslint-plugin-github": "^5.1.3",
     "eslint-plugin-jest": "^28.9.0",
     "jest": "^29.7.0",