diff --git a/.github/workflows/ci-otel.yml b/.github/workflows/ci-otel.yml
index 2ac0d21e..92b8cf47 100644
--- a/.github/workflows/ci-otel.yml
+++ b/.github/workflows/ci-otel.yml
@@ -19,6 +19,7 @@ jobs:
           node-version: 20.x
       - run: yarn workspaces focus hono-middleware @hono/otel
       - run: yarn workspace @hono/otel build
+      - run: yarn workspace @hono/otel publint
       - run: yarn test --coverage --project @hono/otel
       - uses: codecov/codecov-action@v5
         with:
diff --git a/packages/otel/package.json b/packages/otel/package.json
index e21219bb..88c0dbe6 100644
--- a/packages/otel/package.json
+++ b/packages/otel/package.json
@@ -9,10 +9,10 @@
     "dist"
   ],
   "scripts": {
-    "test": "vitest --run",
-    "build": "tsup ./src/index.ts --format esm,cjs --dts",
-    "publint": "publint",
-    "release": "yarn build && yarn test && yarn publint && yarn publish"
+    "build": "tsup ./src/index.ts",
+    "prepack": "yarn build",
+    "publint": "attw --pack && publint",
+    "test": "vitest"
   },
   "exports": {
     ".": {
@@ -33,7 +33,8 @@
   },
   "repository": {
     "type": "git",
-    "url": "https://github.com/honojs/middleware.git"
+    "url": "git+https://github.com/honojs/middleware.git",
+    "directory": "packages/otel"
   },
   "homepage": "https://github.com/honojs/middleware",
   "peerDependencies": {
@@ -44,10 +45,12 @@
     "@opentelemetry/semantic-conventions": "^1.28.0"
   },
   "devDependencies": {
+    "@arethetypeswrong/cli": "^0.17.4",
     "@opentelemetry/sdk-trace-base": "^1.30.0",
     "@opentelemetry/sdk-trace-node": "^1.30.0",
     "hono": "^4.4.12",
-    "tsup": "^8.1.0",
+    "publint": "^0.3.9",
+    "tsup": "^8.4.0",
     "vitest": "^3.0.8"
   }
-}
+}
\ No newline at end of file
diff --git a/packages/otel/src/index.ts b/packages/otel/src/index.ts
index fe9c7802..55bfe7a8 100644
--- a/packages/otel/src/index.ts
+++ b/packages/otel/src/index.ts
@@ -1,4 +1,5 @@
-import { SpanKind, SpanStatusCode, type TracerProvider, trace } from '@opentelemetry/api'
+import type { TracerProvider } from '@opentelemetry/api'
+import { SpanKind, SpanStatusCode,  trace } from '@opentelemetry/api'
 import {
   ATTR_HTTP_REQUEST_HEADER,
   ATTR_HTTP_REQUEST_METHOD,
diff --git a/packages/otel/tsconfig.json b/packages/otel/tsconfig.json
index 09c66e24..4aa90bfc 100644
--- a/packages/otel/tsconfig.json
+++ b/packages/otel/tsconfig.json
@@ -1,10 +1,9 @@
 {
   "extends": "../../tsconfig.json",
   "compilerOptions": {
-    "rootDir": "./src",
     "outDir": "./dist",
     "module": "ESNext",
-    "resolveJsonModule": true
-  },
-  "include": ["src/**/*.ts"]
+    "resolveJsonModule": true,
+    "types": ["vitest/globals"]
+  }
 }
diff --git a/yarn.lock b/yarn.lock
index 95ac85e9..72473857 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2743,12 +2743,14 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "@hono/otel@workspace:packages/otel"
   dependencies:
+    "@arethetypeswrong/cli": "npm:^0.17.4"
     "@opentelemetry/api": "npm:^1.9.0"
     "@opentelemetry/sdk-trace-base": "npm:^1.30.0"
     "@opentelemetry/sdk-trace-node": "npm:^1.30.0"
     "@opentelemetry/semantic-conventions": "npm:^1.28.0"
     hono: "npm:^4.4.12"
-    tsup: "npm:^8.1.0"
+    publint: "npm:^0.3.9"
+    tsup: "npm:^8.4.0"
     vitest: "npm:^3.0.8"
   peerDependencies:
     hono: "*"