diff --git a/.github/workflows/codspeed.yaml b/.github/workflows/codspeed.yaml
index 3adf8e2..22e7da4 100644
--- a/.github/workflows/codspeed.yaml
+++ b/.github/workflows/codspeed.yaml
@@ -68,5 +68,5 @@ jobs:
       - name: Run CodSpeed
         uses: CodSpeedHQ/action@v4
         with:
-          mode: instrumentation
+          mode: simulation
           run: pytest --codspeed -k "test_faster_" benchmarks/