diff --git a/.github/workflows/gh-page.yaml b/.github/workflows/gh-page.yaml
index 22fd6f18e..b1425faed 100644
--- a/.github/workflows/gh-page.yaml
+++ b/.github/workflows/gh-page.yaml
@@ -27,15 +27,18 @@ jobs:
           fetch-depth: 0
           path: './docs'
 
+      - uses: pnpm/action-setup@v4
+        with:
+          version: 10
       - uses: actions/setup-node@v4
         with:
           node-version: 22.4.1
-          cache: npm
+          cache: pnpm
 
       - name: Install dependencies
-        run: npm ci
+        run: pnpm install
       - name: Build website
-        run: npm run build
+        run: pnpm run build
 
       - name: Deploy
         uses: peaceiris/actions-gh-pages@v3
diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index 883efb576..a15c67130 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -33,12 +33,15 @@ jobs:
           fetch-depth: 0
           path: './docs'
 
+      - uses: pnpm/action-setup@v4
+        with:
+          version: 10
       - uses: actions/setup-node@v4
         with:
           node-version: 22.4.1
-          cache: npm
+          cache: pnpm
 
       - name: install dependencies
-        run: npm ci
+        run: pnpm install
       - name: build website
-        run: npm run build
+        run: pnpm run build