diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8fdbfb88..3c9295c1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -33,7 +33,7 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        python -m pip install flake8 flake8-pyproject ruff
+        python -m pip install flake8 flake8-pyproject ruff==0.15.22
     - name: Lint with flake8
       run: |
         flake8 .