diff --git a/manage.py b/manage.py
deleted file mode 100755
index 27e7870..0000000
--- a/manage.py
+++ /dev/null
@@ -1,22 +0,0 @@
-#!/usr/bin/env python
-"""Django's command-line utility for administrative tasks."""
-import os
-import sys
-
-
-def main():
-    """Run administrative tasks."""
-    os.environ.setdefault("DJANGO_SETTINGS_MODULE", "django_violation_proj.settings")
-    try:
-        from django.core.management import execute_from_command_line
-    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()
diff --git a/violation/__init__.py b/violation/__init__.py
index 3578c9e..7a6f96c 100644
--- a/violation/__init__.py
+++ b/violation/__init__.py
@@ -1,2 +1,2 @@
-VERSION = (1, 2, 0)
+VERSION = (1, 2, 1)
 __version__ = ".".join(str(i) for i in VERSION)
\ No newline at end of file
diff --git a/violation/apps.py b/violation/apps.py
index e43d073..5b988bd 100644
--- a/violation/apps.py
+++ b/violation/apps.py
@@ -3,6 +3,7 @@
 
 
 class ViolationConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
     name = 'violation'
     verbose_name = _('Violation')