diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 3aa5f28..efc6d2c 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -16,6 +16,8 @@ jobs:
       - uses: actions/checkout@v4
 
       - uses: pnpm/action-setup@v4
+        with:
+            version: 9
 
       - name: Setup Node.js
         uses: actions/setup-node@v4