diff --git a/promo_code/interactions/__init__.py b/promo_code/interactions/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/promo_code/interactions/apps.py b/promo_code/interactions/apps.py
new file mode 100644
index 0000000..2b79ca9
--- /dev/null
+++ b/promo_code/interactions/apps.py
@@ -0,0 +1,6 @@
+import django.apps
+
+
+class InteractionsConfig(django.apps.AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'interactions'
diff --git a/promo_code/interactions/migrations/__init__.py b/promo_code/interactions/migrations/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/promo_code/promo_code/settings.py b/promo_code/promo_code/settings.py
index 9ca13f1..c80d41d 100644
--- a/promo_code/promo_code/settings.py
+++ b/promo_code/promo_code/settings.py
@@ -43,6 +43,7 @@ def load_bool(name, default):
     #
     'business.apps.BusinessConfig',
     'core.apps.CoreConfig',
+    'interactions.apps.InteractionsConfig',
     'user.apps.UserConfig',
 ]