diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 8e62aa9..900365e 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -38,7 +38,7 @@ jobs:
       - name: Install dependencies
         run: poetry install
       - name: Run tests
-        run: python -m unittest
+        run: poetry run python -m unittest
         env:
           DJANGO_POSTGRES_DB_PASSWORD: postgres
           DJANGO_POSTGRES_DB_HOST: localhost
@@ -48,4 +48,4 @@ jobs:
           DJANGO_SETTINGS_MODULE: dj.settings
           DJANGO_SECRET_KEY: dummy_value
       - name: Run Black formatter
-        run: python -m black . --check
+        run: poetry run python -m black . --check
diff --git a/pyproject.toml b/pyproject.toml
index 6644685..5c627b1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -5,6 +5,7 @@ description = ""
 authors = ["MAII <it@maii.li>"]
 license = "GNU AGPL"
 readme = "README.md"
+package-mode = false
 
 [tool.poetry.dependencies]
 python = "~3.12.0"