diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6efea4d..4978e83 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,27 +11,31 @@ jobs:
         nodejs: [10, 12, 14, 16, 18]
     steps:
     - uses: actions/checkout@v3
-    - uses: actions/setup-node@v2
+    - uses: pnpm/action-setup@v2.2.4
       with:
+        version: 7.13.5
+    - uses: actions/setup-node@v3
+      with:
+        cache: 'pnpm'
         node-version: ${{ matrix.nodejs }}
 
     - name: Install
-      run: npm install
+      run: pnpm install
 
     - name: (coverage) Install
       if: matrix.nodejs >= 18
-      run: npm install -g c8
+      run: pnpm add -g c8
 
     - name: Build
-      run: npm run build
+      run: pnpm run build
 
     - name: Test
       if: matrix.nodejs < 18
-      run: npm test
+      run: pnpm test
 
     - name: (coverage) Test
       if: matrix.nodejs >= 18
-      run: c8 --include=packages npm test
+      run: c8 --include=packages pnpm test
 
     - name: (coverage) Report
       if: matrix.nodejs >= 18