diff --git a/.github/workflows/deploy-cloudflare.yml b/.github/workflows/deploy-cloudflare.yml
index 81b5e6d..3be97ee 100644
--- a/.github/workflows/deploy-cloudflare.yml
+++ b/.github/workflows/deploy-cloudflare.yml
@@ -31,15 +31,20 @@ jobs:
       - name: ➡️ Checkout repository
         uses: actions/checkout@v4
 
+      - name: 📦 Setup pnpm
+        uses: pnpm/action-setup@v4.1.0
+        with:
+          version: latest
+
       - name: 📦 Setup Node.js
         uses: actions/setup-node@v4
         with:
           node-version: "20"
-          cache: "npm"
-          cache-dependency-path: "./mail-worker/package-lock.json"
+          cache: "pnpm"
+          cache-dependency-path: "./mail-worker/pnpm-lock.yaml"
 
       - name: 📥 Install dependencies
-        run: npm ci
+        run: pnpm install --frozen-lockfile
         working-directory: ./mail-worker
 
       - name: 📡 Disable wrangler telemetry