diff --git a/.github/workflows/ci-medley-router.yml b/.github/workflows/ci-medley-router.yml
index c4d46513..1a3003d1 100644
--- a/.github/workflows/ci-medley-router.yml
+++ b/.github/workflows/ci-medley-router.yml
@@ -19,6 +19,7 @@ jobs:
           node-version: 18.x
       - run: yarn workspaces focus hono-middleware @hono/medley-router
       - run: yarn workspace @hono/medley-router build
+      - run: yarn workspace @hono/medley-router publint
       - run: yarn test --coverage --project @hono/medley-router
       - uses: codecov/codecov-action@v5
         with:
diff --git a/packages/medley-router/package.json b/packages/medley-router/package.json
index 91959fa3..2625f076 100644
--- a/packages/medley-router/package.json
+++ b/packages/medley-router/package.json
@@ -2,16 +2,30 @@
   "name": "@hono/medley-router",
   "version": "0.0.3",
   "description": "Router using @medley/router",
+  "type": "module",
   "main": "dist/index.js",
+  "module": "dist/index.js",
   "types": "dist/index.d.ts",
   "files": [
     "dist"
   ],
   "scripts": {
-    "test": "vitest",
-    "build": "rimraf dist && tsc",
-    "prerelease": "yarn build && yarn test",
-    "release": "yarn publish"
+    "build": "tsup ./src/index.ts",
+    "prepack": "yarn build",
+    "publint": "attw --pack && publint",
+    "test": "vitest"
+  },
+  "exports": {
+    ".": {
+      "import": {
+        "types": "./dist/index.d.ts",
+        "default": "./dist/index.js"
+      },
+      "require": {
+        "types": "./dist/index.d.cts",
+        "default": "./dist/index.cjs"
+      }
+    }
   },
   "license": "MIT",
   "publishConfig": {
@@ -20,15 +34,18 @@
   },
   "repository": {
     "type": "git",
-    "url": "https://github.com/honojs/middleware.git"
+    "url": "git+https://github.com/honojs/middleware.git",
+    "directory": "packages/medley-router"
   },
   "homepage": "https://github.com/honojs/middleware",
   "peerDependencies": {
     "hono": ">=3.8.0"
   },
   "devDependencies": {
+    "@arethetypeswrong/cli": "^0.17.4",
     "hono": "^3.11.7",
-    "rimraf": "^5.0.5",
+    "publint": "^0.3.9",
+    "tsup": "^8.4.0",
     "vitest": "^3.0.8"
   },
   "dependencies": {
diff --git a/packages/medley-router/tsconfig.json b/packages/medley-router/tsconfig.json
index af5bfa77..103e4e38 100644
--- a/packages/medley-router/tsconfig.json
+++ b/packages/medley-router/tsconfig.json
@@ -1,9 +1,7 @@
 {
   "extends": "../../tsconfig.json",
   "compilerOptions": {
-    "rootDir": "./src",
     "outDir": "./dist",
     "types": ["vitest/globals"]
-  },
-  "include": ["src/**/*.ts"]
+  }
 }
diff --git a/yarn.lock b/yarn.lock
index c0ecceb4..cfae60f4 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2671,9 +2671,11 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "@hono/medley-router@workspace:packages/medley-router"
   dependencies:
+    "@arethetypeswrong/cli": "npm:^0.17.4"
     "@medley/router": "npm:^0.2.1"
     hono: "npm:^3.11.7"
-    rimraf: "npm:^5.0.5"
+    publint: "npm:^0.3.9"
+    tsup: "npm:^8.4.0"
     vitest: "npm:^3.0.8"
   peerDependencies:
     hono: ">=3.8.0"