diff --git a/.github/workflows/ci-conform-validator.yml b/.github/workflows/ci-conform-validator.yml
index eefb17bb..47426fbb 100644
--- a/.github/workflows/ci-conform-validator.yml
+++ b/.github/workflows/ci-conform-validator.yml
@@ -19,6 +19,7 @@ jobs:
           node-version: 20.x
       - run: yarn workspaces focus hono-middleware @hono/conform-validator
       - run: yarn workspace @hono/conform-validator build
+      - run: yarn workspace @hono/conform-validator publint
       - run: yarn test --coverage --project @hono/conform-validator
       - uses: codecov/codecov-action@v5
         with:
diff --git a/packages/conform-validator/package.json b/packages/conform-validator/package.json
index b624324d..3f95a0fd 100644
--- a/packages/conform-validator/package.json
+++ b/packages/conform-validator/package.json
@@ -10,10 +10,10 @@
     "dist"
   ],
   "scripts": {
-    "test": "vitest --run",
-    "build": "tsup ./src/index.ts --format esm,cjs --dts",
-    "prerelease": "yarn build && yarn test",
-    "release": "yarn publish"
+    "build": "tsup ./src/index.ts",
+    "prepack": "yarn build",
+    "publint": "attw --pack && publint",
+    "test": "vitest"
   },
   "exports": {
     ".": {
@@ -34,7 +34,8 @@
   },
   "repository": {
     "type": "git",
-    "url": "https://github.com/honojs/middleware.git"
+    "url": "git+https://github.com/honojs/middleware.git",
+    "directory": "packages/conform-validator"
   },
   "homepage": "https://github.com/honojs/middleware",
   "peerDependencies": {
@@ -42,12 +43,14 @@
     "hono": ">=4.5.1"
   },
   "devDependencies": {
+    "@arethetypeswrong/cli": "^0.17.4",
     "@conform-to/dom": "^1.1.5",
     "@conform-to/yup": "^1.1.5",
     "@conform-to/zod": "^1.1.5",
     "conform-to-valibot": "^1.10.0",
     "hono": "^4.5.1",
-    "tsup": "^8.2.3",
+    "publint": "^0.3.9",
+    "tsup": "^8.4.0",
     "valibot": "^0.36.0",
     "vitest": "^3.0.8",
     "yup": "^1.4.0",
diff --git a/packages/conform-validator/tsconfig.json b/packages/conform-validator/tsconfig.json
index 6c1a3990..9f275945 100644
--- a/packages/conform-validator/tsconfig.json
+++ b/packages/conform-validator/tsconfig.json
@@ -1,9 +1,6 @@
 {
   "extends": "../../tsconfig.json",
   "compilerOptions": {
-    "rootDir": "./src",
-  },
-  "include": [
-    "src/**/*.ts"
-  ],
-}
\ No newline at end of file
+    "outDir": "./dist"
+  }
+}
diff --git a/yarn.lock b/yarn.lock
index cf149d64..8470bb51 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2531,12 +2531,14 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "@hono/conform-validator@workspace:packages/conform-validator"
   dependencies:
+    "@arethetypeswrong/cli": "npm:^0.17.4"
     "@conform-to/dom": "npm:^1.1.5"
     "@conform-to/yup": "npm:^1.1.5"
     "@conform-to/zod": "npm:^1.1.5"
     conform-to-valibot: "npm:^1.10.0"
     hono: "npm:^4.5.1"
-    tsup: "npm:^8.2.3"
+    publint: "npm:^0.3.9"
+    tsup: "npm:^8.4.0"
     valibot: "npm:^0.36.0"
     vitest: "npm:^3.0.8"
     yup: "npm:^1.4.0"
@@ -18184,47 +18186,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"tsup@npm:^8.2.3":
-  version: 8.2.3
-  resolution: "tsup@npm:8.2.3"
-  dependencies:
-    bundle-require: "npm:^5.0.0"
-    cac: "npm:^6.7.14"
-    chokidar: "npm:^3.6.0"
-    consola: "npm:^3.2.3"
-    debug: "npm:^4.3.5"
-    esbuild: "npm:^0.23.0"
-    execa: "npm:^5.1.1"
-    globby: "npm:^11.1.0"
-    joycon: "npm:^3.1.1"
-    picocolors: "npm:^1.0.1"
-    postcss-load-config: "npm:^6.0.1"
-    resolve-from: "npm:^5.0.0"
-    rollup: "npm:^4.19.0"
-    source-map: "npm:0.8.0-beta.0"
-    sucrase: "npm:^3.35.0"
-    tree-kill: "npm:^1.2.2"
-  peerDependencies:
-    "@microsoft/api-extractor": ^7.36.0
-    "@swc/core": ^1
-    postcss: ^8.4.12
-    typescript: ">=4.5.0"
-  peerDependenciesMeta:
-    "@microsoft/api-extractor":
-      optional: true
-    "@swc/core":
-      optional: true
-    postcss:
-      optional: true
-    typescript:
-      optional: true
-  bin:
-    tsup: dist/cli-default.js
-    tsup-node: dist/cli-node.js
-  checksum: 4a6fba80b441b400e44633db7e52d383cfd502119e6bdf7680ac07d5110eab2473d8b980a664c1564d0418d89c0e680b24a9f43d2d7da1193ce72259a863725a
-  languageName: node
-  linkType: hard
-
 "tsup@npm:^8.3.0":
   version: 8.3.0
   resolution: "tsup@npm:8.3.0"