diff --git a/.github/workflows/ci-bun-transpiler.yml b/.github/workflows/ci-bun-transpiler.yml
index 7744488e..baadc5d0 100644
--- a/.github/workflows/ci-bun-transpiler.yml
+++ b/.github/workflows/ci-bun-transpiler.yml
@@ -19,6 +19,7 @@ jobs:
           bun-version: 1.1.32
       - run: yarn workspaces focus hono-middleware @hono/bun-transpiler
       - run: yarn workspace @hono/bun-transpiler build
+      - run: yarn workspace @hono/bun-transpiler publint
       - run: yarn workspace @hono/bun-transpiler test --coverage --coverage-reporter lcov
       - uses: codecov/codecov-action@v5
         with:
diff --git a/packages/bun-transpiler/package.json b/packages/bun-transpiler/package.json
index 39fe21e8..11650eaf 100644
--- a/packages/bun-transpiler/package.json
+++ b/packages/bun-transpiler/package.json
@@ -2,23 +2,29 @@
   "name": "@hono/bun-transpiler",
   "version": "0.2.0",
   "description": "Bun Transpiler Middleware for Hono",
+  "type": "module",
   "main": "dist/index.js",
-  "module": "dist/index.mjs",
+  "module": "dist/index.js",
   "types": "dist/index.d.ts",
   "files": [
     "dist"
   ],
   "scripts": {
-    "test": "bun test",
-    "build": "tsup ./src/index.ts --format esm,cjs --dts --external bun",
-    "publint": "publint",
-    "release": "yarn build && yarn test && yarn publint && yarn publish"
+    "build": "tsup ./src/index.ts --external bun",
+    "prepack": "yarn build",
+    "publint": "attw --pack && publint",
+    "test": "bun test"
   },
   "exports": {
     ".": {
-      "types": "./dist/index.d.mts",
-      "import": "./dist/index.mjs",
-      "require": "./dist/index.js"
+      "import": {
+        "types": "./dist/index.d.ts",
+        "default": "./dist/index.js"
+      },
+      "require": {
+        "types": "./dist/index.d.cts",
+        "default": "./dist/index.cjs"
+      }
     }
   },
   "license": "MIT",
@@ -28,16 +34,20 @@
   },
   "repository": {
     "type": "git",
-    "url": "https://github.com/honojs/middleware.git"
+    "url": "git+https://github.com/honojs/middleware.git",
+    "directory": "packages/bun-transpiler"
   },
   "homepage": "https://github.com/honojs/middleware",
   "peerDependencies": {
     "hono": "*"
   },
   "devDependencies": {
+    "@arethetypeswrong/cli": "^0.17.4",
     "@types/bun": "^1.0.0",
     "hono": "^3.11.7",
-    "tsup": "^8.0.1"
+    "publint": "^0.3.9",
+    "tsup": "^8.4.0",
+    "vitest": "^3.0.8"
   },
   "engines": {
     "node": ">=18.14.1"
diff --git a/packages/bun-transpiler/tsconfig.json b/packages/bun-transpiler/tsconfig.json
index acfcd843..9f275945 100644
--- a/packages/bun-transpiler/tsconfig.json
+++ b/packages/bun-transpiler/tsconfig.json
@@ -1,10 +1,6 @@
 {
   "extends": "../../tsconfig.json",
   "compilerOptions": {
-    "rootDir": "./src",
-    "outDir": "./dist",
-  },
-  "include": [
-    "src/**/*.ts"
-  ],
-}
\ No newline at end of file
+    "outDir": "./dist"
+  }
+}
diff --git a/yarn.lock b/yarn.lock
index 4610acbe..94f8d7a2 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2618,9 +2618,12 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "@hono/bun-transpiler@workspace:packages/bun-transpiler"
   dependencies:
+    "@arethetypeswrong/cli": "npm:^0.17.4"
     "@types/bun": "npm:^1.0.0"
     hono: "npm:^3.11.7"
-    tsup: "npm:^8.0.1"
+    publint: "npm:^0.3.9"
+    tsup: "npm:^8.4.0"
+    vitest: "npm:^3.0.8"
   peerDependencies:
     hono: "*"
   languageName: unknown