diff --git a/.github/workflows/codspeed.yaml b/.github/workflows/codspeed.yaml
index 5ea3489..be64f82 100644
--- a/.github/workflows/codspeed.yaml
+++ b/.github/workflows/codspeed.yaml
@@ -33,4 +33,5 @@ jobs:
       - uses: CodSpeedHQ/action@0700edb451d0e9f2426f99bd6977027e550fb2a6 # v4.7.0
         with:
           run: pytest tests/ --codspeed
+          mode: "simulation"
           token: ${{ secrets.CODSPEED_TOKEN }}