diff --git a/.github/workflows/test_fastapi_server.yml b/.github/workflows/test_fastapi_server.yml
index a8a89aa..55af934 100644
--- a/.github/workflows/test_fastapi_server.yml
+++ b/.github/workflows/test_fastapi_server.yml
@@ -83,7 +83,7 @@ jobs:
         python-version: ${{ matrix.python-version }}
 
     - name: Install poetry
-      run: pip install poetry --no-cache-dir
+      run: pip install poetry --no-cache-dir poetry==1.8
 
     - name: Make poetry use local .venv folder
       run: poetry config virtualenvs.in-project true
diff --git a/fastapi_server/test/__init__.py b/fastapi_server/test/__init__.py
new file mode 100644
index 0000000..e69de29