diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e306eb50..c017b9ea 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -46,7 +46,7 @@ jobs:
       - name: Run tests
         run: |
           python -m flake8 jedi setup.py
-          python -m mypy jedi sith.py
+          python -m mypy jedi sith.py setup.py
 
   coverage:
     runs-on: ubuntu-20.04