diff --git a/shynet/shynet/settings.py b/shynet/shynet/settings.py
index 6d1f418..709ee75 100644
--- a/shynet/shynet/settings.py
+++ b/shynet/shynet/settings.py
@@ -298,6 +298,9 @@ else:
     EMAIL_USE_SSL = os.environ.get("EMAIL_USE_SSL")
     EMAIL_USE_TLS = os.environ.get("EMAIL_USE_TLS")
 
+# Auto fields
+DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'
+
 # NPM
 
 NPM_ROOT_PATH = "../"