diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4a82f5c8..d4d02581 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -38,15 +38,24 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
+
+      - uses: pnpm/action-setup@v3
+        with:
+          standalone: true
+
       - name: Set node version to ${{ matrix.node }}
         uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node }}
-      - run: corepack enable
+          cache: pnpm
 
       - name: Install
         run: pnpm i
 
+      - name: Downgrade deps for Node 14
+        run: pnpm i tsup@6.7.0
+        if: ${{ matrix.node == 14 }}
+
       - name: Build
         run: pnpm run build