diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index dc72528..6ed858c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -31,3 +31,30 @@ jobs:
 
       - name: Test
         run: deno task test:cov
+
+  npm-trial-build:
+    name: npm trial build
+    runs-on: ubuntu-latest
+    needs: test
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Prepare files
+        run: mv npm/* .
+
+      - name: Setup pnpm
+        uses: pnpm/action-setup@v3
+
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          registry-url: 'https://registry.npmjs.org'
+          cache: pnpm
+
+      - name: Install
+        run: pnpm install
+
+      - name: Build
+        run: pnpm run build
diff --git a/.npmrc b/.npmrc
new file mode 100644
index 0000000..9babefe
--- /dev/null
+++ b/.npmrc
@@ -0,0 +1,2 @@
+registry=https://registry.npmjs.org
+@jsr:registry=https://npm.jsr.io
diff --git a/.vscode/settings.json b/.vscode/settings.json
index bf9ac2c..7f238f5 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -21,6 +21,7 @@
     "deno",
     "denoland",
     "minzip",
+    "okikio",
     "pnpx",
     "runtimes",
     "Transferables",
diff --git a/deno.lock b/deno.lock
index f38bca4..3cd0c7f 100644
--- a/deno.lock
+++ b/deno.lock
@@ -2,14 +2,14 @@
   "version": "3",
   "packages": {
     "specifiers": {
-      "jsr:@okikio/transferables@^1.0.1": "jsr:@okikio/transferables@1.0.1",
+      "jsr:@okikio/transferables@^1.0.2": "jsr:@okikio/transferables@1.0.2",
       "jsr:@std/assert@0.217": "jsr:@std/assert@0.217.0",
       "jsr:@std/fmt@^0.217.0": "jsr:@std/fmt@0.217.0",
       "npm:@types/node": "npm:@types/node@18.16.19"
     },
     "jsr": {
-      "@okikio/transferables@1.0.1": {
-        "integrity": "90051c61464a13a5e09db2f0bae3190fde294da93839563bd3ad8047ba190b10"
+      "@okikio/transferables@1.0.2": {
+        "integrity": "46a80015a1c4672b0b246e38838b3ea1e2edc6c775a235184a2f8eb49a8314f7"
       },
       "@std/assert@0.217.0": {
         "integrity": "c98e279362ca6982d5285c3b89517b757c1e3477ee9f14eb2fdf80a45aaa9642",
@@ -31,7 +31,7 @@
   "remote": {},
   "workspace": {
     "dependencies": [
-      "jsr:@okikio/transferables@^1.0.1",
+      "jsr:@okikio/transferables@^1.0.2",
       "jsr:@std/assert@0.217"
     ]
   }
diff --git a/npm/package.json b/npm/package.json
index bb6b1d6..d573d6b 100644
--- a/npm/package.json
+++ b/npm/package.json
@@ -4,7 +4,7 @@
   "description": "worker-fn hides the complexity of communication between the JavaScript main thread and Worker threads, making it easy to call the functions defined in workers.",
   "type": "module",
   "author": "mys1024",
-  "packageManager": "pnpm@8.6.1",
+  "packageManager": "pnpm@8.15.4",
   "license": "MIT",
   "homepage": "https://github.com/mys1024/worker-fn#readme",
   "repository": {
@@ -41,7 +41,8 @@
     }
   },
   "devDependencies": {
+    "@okikio/transferables": "npm:@jsr/okikio__transferables@^1.0.2",
     "tsup": "^8.0.2",
-    "typescript": "^5.3.3"
+    "typescript": "^5.4.2"
   }
 }
diff --git a/npm/pnpm-lock.yaml b/npm/pnpm-lock.yaml
index 109e776..318e0f8 100644
--- a/npm/pnpm-lock.yaml
+++ b/npm/pnpm-lock.yaml
@@ -5,12 +5,15 @@ settings:
   excludeLinksFromLockfile: false
 
 devDependencies:
+  '@okikio/transferables':
+    specifier: npm:@jsr/okikio__transferables@^1.0.2
+    version: /@jsr/okikio__transferables@1.0.2
   tsup:
     specifier: ^8.0.2
-    version: 8.0.2(typescript@5.3.3)
+    version: 8.0.2(typescript@5.4.2)
   typescript:
-    specifier: ^5.3.3
-    version: 5.3.3
+    specifier: ^5.4.2
+    version: 5.4.2
 
 packages:
 
@@ -263,6 +266,10 @@ packages:
       '@jridgewell/sourcemap-codec': 1.4.15
     dev: true
 
+  /@jsr/okikio__transferables@1.0.2:
+    resolution: {integrity: sha512-Ssz8Hd7/GtM1vIX3vRBr08d2eOBHnGG8KmW1pKe5pYvvfv7Gh8sCHWorBDOWIr9r+CoSQbKU1N5yymNh9sWsXA==, tarball: https://npm.jsr.io/~/7/@jsr/okikio__transferables/1.0.2.tgz}
+    dev: true
+
   /@nodelib/fs.scandir@2.1.5:
     resolution: {integrity: sha512-vq24Bq3ym5HEQm2NKCr3yXDwjc7vTsEThRDnkp2DK9p1uqLR+DHurm/NOTo0KG7HYHU7eppKZj3MyqYuMBf62g==}
     engines: {node: '>= 8'}
@@ -1041,7 +1048,7 @@ packages:
     resolution: {integrity: sha512-Y/arvbn+rrz3JCKl9C4kVNfTfSm2/mEp5FSz5EsZSANGPSlQrpRI5M4PKF+mJnE52jOO90PnPSc3Ur3bTQw0gA==}
     dev: true
 
-  /tsup@8.0.2(typescript@5.3.3):
+  /tsup@8.0.2(typescript@5.4.2):
     resolution: {integrity: sha512-NY8xtQXdH7hDUAZwcQdY/Vzlw9johQsaqf7iwZ6g1DOUlFYQ5/AtVAjTvihhEyeRlGo4dLRVHtrRaL35M1daqQ==}
     engines: {node: '>=18'}
     hasBin: true
@@ -1074,14 +1081,14 @@ packages:
       source-map: 0.8.0-beta.0
       sucrase: 3.35.0
       tree-kill: 1.2.2
-      typescript: 5.3.3
+      typescript: 5.4.2
     transitivePeerDependencies:
       - supports-color
       - ts-node
     dev: true
 
-  /typescript@5.3.3:
-    resolution: {integrity: sha512-pXWcraxM0uxAS+tN0AG/BF2TyqmHO014Z070UsJ+pFvYuRSq8KH8DmWpnbXe0pEPDHXZV3FcAbJkijJ5oNEnWw==}
+  /typescript@5.4.2:
+    resolution: {integrity: sha512-+2/g0Fds1ERlP6JsakQQDXjZdZMM+rqpamFZJEKh4kwTIn3iDkgKtby0CeNd5ATNZ4Ry1ax15TMx0W2V+miizQ==}
     engines: {node: '>=14.17'}
     hasBin: true
     dev: true