diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index f34dddf6..b301f651 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -54,3 +54,4 @@ jobs:
           files: coverage.xml
           verbose: true
           flags: cpu
+          base_sha: ${{ github.event.pull_request.base.sha }}