diff --git a/.github/workflows/mypy.yml b/.github/workflows/mypy.yml
index 895ca49..5efdd98 100644
--- a/.github/workflows/mypy.yml
+++ b/.github/workflows/mypy.yml
@@ -25,6 +25,7 @@ jobs:
       run: |
         python -m pip install --upgrade pip
         pip install mypy
+        pip install .
 
     - name: Run type checker
       run: mypy -p argenta --strict