diff --git a/.github/workflows/build_pull_request.yml b/.github/workflows/build_pull_request.yml
index 828b2ac1..3c0d12ef 100644
--- a/.github/workflows/build_pull_request.yml
+++ b/.github/workflows/build_pull_request.yml
@@ -14,7 +14,7 @@ jobs:
           node-version-file: 'package.json'
 
       - name: Install modules
-        run: yarn
+        run: yarn ci
 
       - name: Run ESLint
         run: yarn lint
diff --git a/.github/workflows/build_push_master.yml b/.github/workflows/build_push_master.yml
index 3a7fa9ba..8889f7a1 100644
--- a/.github/workflows/build_push_master.yml
+++ b/.github/workflows/build_push_master.yml
@@ -39,7 +39,7 @@ jobs:
       - name: Build webUI
         run: |
           cd master
-          yarn install
+          yarn ci
           yarn build
           yarn build-zip
           yarn build-md5
diff --git a/package.json b/package.json
index 9bbddb2a..a1e30d0a 100644
--- a/package.json
+++ b/package.json
@@ -3,6 +3,7 @@
   "version": "0.1.0",
   "private": true,
   "scripts": {
+    "ci": "yarn install --frozen-lockfile",
     "dev": "vite",
     "preview": "vite preview",
     "build": "vite build",