diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index af32ca5b..ff1e9f15 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -11,22 +11,23 @@ jobs:
     name: Packages
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/setup-node@v3
-        with:
-          node-version: 20.x
       - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version-file: .node-version
+          cache: npm
       - run: SKIP_GENAPI=1 npm ci
   genApi:
     name: Generate APIs
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/setup-node@v3
-        with:
-          node-version: 20.x
       - uses: actions/checkout@v4
-      - run: SKIP_GENAPI=1 npm ci
-      - run: npm run postinstall
-      - uses: actions/upload-artifact@v3
+      - uses: actions/setup-node@v4
+        with:
+          node-version-file: .node-version
+          cache: npm
+      - run: npm ci
+      - uses: actions/upload-artifact@v4
         with:
           name: apis
           path: ./src/lib/apis/generated
@@ -35,12 +36,13 @@ jobs:
     runs-on: ubuntu-latest
     needs: [packages, genApi]
     steps:
-      - uses: actions/setup-node@v3
-        with:
-          node-version: 20.x
       - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version-file: .node-version
+          cache: npm
       - run: SKIP_GENAPI=1 npm ci
-      - uses: actions/download-artifact@v3
+      - uses: actions/download-artifact@v4
         with:
           name: apis
           path: ./src/lib/apis/generated
@@ -52,12 +54,13 @@ jobs:
     runs-on: ubuntu-latest
     needs: [packages, genApi]
     steps:
-      - uses: actions/setup-node@v3
-        with:
-          node-version: 20.x
       - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version-file: .node-version
+          cache: npm
       - run: SKIP_GENAPI=1 npm ci
-      - uses: actions/download-artifact@v3
+      - uses: actions/download-artifact@v4
         with:
           name: apis
           path: ./src/lib/apis/generated
@@ -67,12 +70,13 @@ jobs:
     runs-on: ubuntu-latest
     needs: [packages, genApi]
     steps:
-      - uses: actions/setup-node@v3
-        with:
-          node-version: 20.x
       - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version-file: .node-version
+          cache: npm
       - run: SKIP_GENAPI=1 npm ci
-      - uses: actions/download-artifact@v3
+      - uses: actions/download-artifact@v4
         with:
           name: apis
           path: ./src/lib/apis/generated
diff --git a/package.json b/package.json
index 094aacca..753a776e 100644
--- a/package.json
+++ b/package.json
@@ -8,11 +8,9 @@
     "lint": "eslint --fix --ext .ts,.vue src",
     "lint:nofix": "eslint --ext .ts,.vue src",
     "type-check": "vue-tsc --noEmit",
-    "fetch-openapi": "node scripts/fetchOpenapi.js",
     "gen-api": "node scripts/generateApi.js",
-    "start-mock": "prism mock -p 4010 -d scripts/traPortfolio.v1.yaml",
-    "clean": "rimraf scripts/traPorfolio.v1.yaml src/lib/apis/generated",
-    "postinstall": "npm run fetch-openapi && npm run gen-api"
+    "start-mock": "prism mock -p 4010 -d https://raw.githubusercontent.com/traPtitech/traPortfolio/main/docs/swagger/traPortfolio.v1.yaml",
+    "postinstall": "npm run gen-api"
   },
   "dependencies": {
     "@iconify/iconify": "^3.1.1",
diff --git a/scripts/fetchOpenapi.js b/scripts/fetchOpenapi.js
deleted file mode 100644
index 3d6ec81e..00000000
--- a/scripts/fetchOpenapi.js
+++ /dev/null
@@ -1,21 +0,0 @@
-/* eslint-disable @typescript-eslint/no-var-requires */
-/* eslint-disable no-undef */
-const fetch = require('node-fetch')
-const fs = require('fs').promises
-const path = require('path')
-
-const URL =
-  'https://raw.githubusercontent.com/traPtitech/traPortfolio/main/docs/swagger/traPortfolio.v1.yaml'
-const dist = './traPortfolio.v1.yaml'
-
-if (process.env.SKIP_GENAPI) {
-  // eslint-disable-next-line no-console
-  console.log('Skipped fetching openapi.')
-  return
-}
-
-;(async () => {
-  const res = await fetch(URL)
-  const body = await res.text()
-  await fs.writeFile(path.resolve(__dirname, dist), body)
-})()
diff --git a/scripts/generateApi.js b/scripts/generateApi.js
index bba7a69a..ba233e6b 100644
--- a/scripts/generateApi.js
+++ b/scripts/generateApi.js
@@ -7,7 +7,7 @@ const { promisify } = require('util')
 const execPromise = promisify(exec)
 const addApis = require('./addApis')
 
-const SWAGGER_PATH = 'scripts/traPortfolio.v1.yaml'
+const SWAGGER_PATH = 'https://raw.githubusercontent.com/traPtitech/traPortfolio/main/docs/swagger/traPortfolio.v1.yaml'
 const GENERATED_DIR = 'src/lib/apis/generated'
 
 const npx = process.platform === 'win32' ? 'npx.cmd' : 'npx'