diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 7840a1c..863349c 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -23,6 +23,7 @@ jobs:
         python -m pip install --upgrade pip
         pip install poetry
         poetry install
+        pip install .
 
     - name: Run tests
       run: python -m unittest discover tests