diff --git a/.eslintrc.json b/.eslintrc.json
new file mode 100644
index 0000000..9b1577f
--- /dev/null
+++ b/.eslintrc.json
@@ -0,0 +1,33 @@
+{
+  "parser": "@typescript-eslint/parser",
+  "parserOptions": {
+    "ecmaVersion": 12,
+    "sourceType": "module"
+  },
+  "plugins": [
+    "@typescript-eslint"
+  ],
+  "extends": [
+    "eslint:recommended",
+    "plugin:@typescript-eslint/recommended"
+  ],
+  "overrides": [
+    {
+      "files": [
+        "src/**/*.js",
+        "src/**/*.ts"
+      ]
+    }
+  ],
+  "rules": {
+    "@typescript-eslint/no-unused-vars": "error",
+    "@typescript-eslint/consistent-type-definitions": [
+      "error",
+      "type"
+    ]
+  },
+  "env": {
+    "node": true,
+    "es2021": true
+  }
+}
diff --git a/.github/workflows/linter.yaml b/.github/workflows/linter.yaml
new file mode 100644
index 0000000..41509b8
--- /dev/null
+++ b/.github/workflows/linter.yaml
@@ -0,0 +1,21 @@
+name: linter
+on:
+  pull_request:
+
+jobs:
+  eslint:
+    runs-on: ubuntu-latest
+    steps:
+      - name: checkout code
+        uses: actions/checkout@v4
+
+      - name: setup node
+        uses: actions/setup-node@v4
+        with:
+          node-version: "20.x"
+
+      - name: install dependencies
+        run: npm install
+
+      - name: run eslint
+        run: npm run lint
diff --git a/eslintrc.json b/eslintrc.json
deleted file mode 100644
index eb34483..0000000
--- a/eslintrc.json
+++ /dev/null
@@ -1,17 +0,0 @@
-{
-    "parser": "@typescript-eslint/parser",
-    "parserOptions": {
-        "ecmaVersion": 12,
-        "sourceType": "module"
-    },
-    "plugins": ["@typescript-eslint"],
-    "extends": ["eslint:recommended", "plugin:@typescript-eslint/recommended"],
-    "rules": {
-        "@typescript-eslint/no-unused-vars": "error",
-        "@typescript-eslint/consistent-type-definitions": ["error", "type"]
-    },
-    "env": {
-        "browser": true,
-        "es2021": true
-    }
-}
diff --git a/package.json b/package.json
index d76bb81..242ee7d 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
   "main": "index.js",
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1",
-    "lint": "eslint --ignore-path .eslintignore --ext .js,.ts",
+    "lint": "eslint src --ignore-path .eslintignore --ext .js,.ts",
     "start": "ts-node src/index.ts"
   },
   "repository": {