diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 553539125..1c667f6b6 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -59,17 +59,11 @@ jobs:
       - name: Set up Node.js
         uses: actions/setup-node@v3
         with:
-          node-version: 16
-
-      - uses: pnpm/action-setup@v2
-        name: Install pnpm
-        id: pnpm-install
-        with:
-          run_install: false
+          node-version: 20
 
       - name: Install protocol dependencies
         working-directory: ${{ env.TAIKO_MONO_DIR }}
-        run: cd ./packages/protocol && pnpm install
+        run: yarn global add pnpm && cd ./packages/protocol && pnpm install
 
       - name: Test
         working-directory: ${{ env.CLIENT_DIR }}