diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index eec7c31..7e03e46 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -27,5 +27,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
       - name: Install Poetry
         uses: snok/install-poetry@v1
+      - name: Install dependencies
+        run: poetry install
       - name: Test
         run: poetry run django-admin test --settings=referral.tests.settings