diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 8f66966..0f5ddf0 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -29,13 +29,13 @@ jobs:
         options: --entrypoint redis-server
 
     env:
-      DATABASE_URL: 'postgres://postgres:postgres@127.0.0.1:5432/socket_test'
+      DATABASE_URL: 'postgresql://postgres:postgres@127.0.0.1:5432/socket_test'
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
 
     - name: set up python
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v4
       with:
         python-version: '3.8'
 
@@ -68,7 +68,7 @@ jobs:
       HEROKU_APP: tc-socket
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - run: git fetch --unshallow
       - run: git switch master
       - run: git remote add heroku https://heroku:$HEROKU_API_KEY@git.heroku.com/$HEROKU_APP.git
diff --git a/tcsocket/app/main.py b/tcsocket/app/main.py
index b3ebd64..0f8bef1 100644
--- a/tcsocket/app/main.py
+++ b/tcsocket/app/main.py
@@ -80,7 +80,7 @@ def setup_routes(app):
     app.router.add_post(r'/{company}/book-appointment', book_appointment, name='book-appointment')
 
 
-def create_app(loop, *, settings: Settings = None):
+def create_app(*, settings: Settings = None):
     app = web.Application(middlewares=middleware)
     settings = settings or Settings()
     app['settings'] = settings
diff --git a/tcsocket/requirements.txt b/tcsocket/requirements.txt
index 631165e..9d37f04 100644
--- a/tcsocket/requirements.txt
+++ b/tcsocket/requirements.txt
@@ -1,4 +1,4 @@
-SQLAlchemy==1.4.40
+sqlalchemy==1.4.38
 aiodns==3.0.0
 aiohttp==3.8.1
 aiopg==1.3.4
diff --git a/tcsocket/run.py b/tcsocket/run.py
index d5f30a4..3560b3f 100755
--- a/tcsocket/run.py
+++ b/tcsocket/run.py
@@ -24,13 +24,16 @@ def cli(verbose):
     setup_logging(verbose)
 
 
+async def start_and_stop_app(app):
+    await app.startup()
+    await app.cleanup()
+
+
 def check_app():
-    loop = asyncio.get_event_loop()
     logger.info("initialising aiohttp app to check it's working...")
-    app = create_app(loop)
+    app = create_app()
     app.freeze()
-    loop.run_until_complete(app.startup())
-    loop.run_until_complete(app.cleanup())
+    asyncio.run(start_and_stop_app(app))
     del app
     logger.info('app started and stopped successfully, apparently configured correctly')
 
@@ -62,8 +65,7 @@ def load_config(self):
                 self.cfg.set(k, v)
 
         def load(self):
-            loop = asyncio.get_event_loop()
-            return create_app(loop)
+            return create_app()
 
     logger.info('starting gunicorn...')
     Application().run()
diff --git a/tests/requirements.txt b/tests/requirements.txt
index 223a43b..d7c4ea4 100644
--- a/tests/requirements.txt
+++ b/tests/requirements.txt
@@ -7,7 +7,7 @@ pycodestyle==2.9.1
 pyflakes==2.5.0
 pytest==7.1.2
 pytest-aiohttp==1.0.4
-pytest-asyncio==0.18.3
+pytest-asyncio==0.21.0
 pytest-cov==3.0.0
 pytest-isort==3.0.0
 pytest-mock==3.8.2