diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 51154b8..e7f8932 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -6,6 +6,8 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: pnpm/action-setup@v4
+        with:
+          version: 9
       - uses: actions/setup-node@v4
         with:
           node-version: 20