diff --git a/billard/apps.py b/billard/apps.py
index 7477b1b..e609e9a 100644
--- a/billard/apps.py
+++ b/billard/apps.py
@@ -2,4 +2,5 @@ from django.apps import AppConfig
 
 
 class BillardConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
     name = 'billard'
diff --git a/caromserver/asgi.py b/caromserver/asgi.py
new file mode 100644
index 0000000..49c65eb
--- /dev/null
+++ b/caromserver/asgi.py
@@ -0,0 +1,16 @@
+"""
+ASGI config for caromserver project.
+
+It exposes the ASGI callable as a module-level variable named ``application``.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/3.2/howto/deployment/asgi/
+"""
+
+import os
+
+from django.core.asgi import get_asgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'caromserver.settings')
+
+application = get_asgi_application()
diff --git a/caromserver/wsgi.py b/caromserver/wsgi.py
index d94b8c9..42ffc35 100644
--- a/caromserver/wsgi.py
+++ b/caromserver/wsgi.py
@@ -4,13 +4,13 @@ WSGI config for caromserver project.
 It exposes the WSGI callable as a module-level variable named ``application``.
 
 For more information on this file, see
-https://docs.djangoproject.com/en/1.10/howto/deployment/wsgi/
+https://docs.djangoproject.com/en/3.2/howto/deployment/wsgi/
 """
 
 import os
 
 from django.core.wsgi import get_wsgi_application
 
-os.environ.setdefault("DJANGO_SETTINGS_MODULE", "caromserver.settings")
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'caromserver.settings')
 
 application = get_wsgi_application()
diff --git a/manage.py b/manage.py
index 94e3094..b182391 100644
--- a/manage.py
+++ b/manage.py
@@ -1,22 +1,22 @@
-#!/usr/bin/env python3
+#!/usr/bin/env python
+"""Django's command-line utility for administrative tasks."""
 import os
 import sys
 
-if __name__ == "__main__":
-    os.environ.setdefault("DJANGO_SETTINGS_MODULE", "caromserver.settings")
+
+def main():
+    """Run administrative tasks."""
+    os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'caromserver2.settings')
     try:
         from django.core.management import execute_from_command_line
-    except ImportError:
-        # The above import may fail for some other reason. Ensure that the
-        # issue is really that Django is missing to avoid masking other
-        # exceptions on Python 2.
-        try:
-            import django
-        except ImportError:
-            raise ImportError(
-                "Couldn't import Django. Are you sure it's installed and "
-                "available on your PYTHONPATH environment variable? Did you "
-                "forget to activate a virtual environment?"
-            )
-        raise
+    except ImportError as exc:
+        raise ImportError(
+            "Couldn't import Django. Are you sure it's installed and "
+            "available on your PYTHONPATH environment variable? Did you "
+            "forget to activate a virtual environment?"
+        ) from exc
     execute_from_command_line(sys.argv)
+
+
+if __name__ == '__main__':
+    main()