diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c6802f6..750bfb4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -56,6 +56,20 @@ jobs:
       - name: "Install Foundry"
         uses: "foundry-rs/foundry-toolchain@v1"
 
+      - name: "Install Pnpm"
+        uses: "pnpm/action-setup@v2"
+        with:
+          version: "8"
+
+      - name: "Install Node.js"
+        uses: "actions/setup-node@v3"
+        with:
+          cache: "pnpm"
+          node-version: "lts/*"
+
+      - name: "Install the Node.js dependencies"
+        run: "pnpm install"
+
       - name: "Build the contracts and print their size"
         run: "forge build --sizes"
 
@@ -76,6 +90,20 @@ jobs:
       - name: "Install Foundry"
         uses: "foundry-rs/foundry-toolchain@v1"
 
+      - name: "Install Pnpm"
+        uses: "pnpm/action-setup@v2"
+        with:
+          version: "8"
+
+      - name: "Install Node.js"
+        uses: "actions/setup-node@v3"
+        with:
+          cache: "pnpm"
+          node-version: "lts/*"
+
+      - name: "Install the Node.js dependencies"
+        run: "pnpm install"
+
       - name: "Show the Foundry config"
         run: "forge config"
 
@@ -102,6 +130,20 @@ jobs:
         with:
           submodules: "recursive"
 
+      - name: "Install Pnpm"
+        uses: "pnpm/action-setup@v2"
+        with:
+          version: "8"
+
+      - name: "Install Node.js"
+        uses: "actions/setup-node@v3"
+        with:
+          cache: "pnpm"
+          node-version: "lts/*"
+
+      - name: "Install the Node.js dependencies"
+        run: "pnpm install"
+
       - name: "Install Foundry"
         uses: "foundry-rs/foundry-toolchain@v1"