diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 3bade419d..32383d283 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -179,6 +179,6 @@ jobs:
             python -m pip install --upgrade pip
             python -m pip install -r requirements.txt
             python -m pip install mypy jax jaxlib torch
-            python setup.py install
+            python -m pip install .
       - name: "Run mypy"
         run: python -m mypy --install-types --non-interactive pysr