diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bebdc60..e16eb59 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -84,7 +84,7 @@ jobs:
           python-version: '3.14'
       - uses: astral-sh/setup-uv@v8.3.2
       - run: uv pip install --system --group=test -e .[full]
-      - uses: CodSpeedHQ/action@v4
+      - uses: CodSpeedHQ/action@v4.18.5
         with:
           mode: simulation
           run: pytest -m benchmark --codspeed -n auto