diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 619570090..b593e3355 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -41,6 +41,11 @@ jobs:
         run: |
           python -m pip install flake8==5.0.4
           python -m flake8 spacy --count --select=E901,E999,F821,F822,F823,W605 --show-source --statistics
+      - name: cython-lint
+        run: |
+          python -m pip install cython-lint -c requirements.txt
+          python -m cython-lint spacy
+
   tests:
     name: Test
     needs: Validate