diff --git a/hiss/hiss/settings/deployment.py b/hiss/hiss/settings/deployment.py
index 06b347b7..b6762692 100644
--- a/hiss/hiss/settings/deployment.py
+++ b/hiss/hiss/settings/deployment.py
@@ -7,7 +7,7 @@
 
 # SECURITY WARNING: don't run with debug turned on in production!
 DEBUG = False
-ALLOWED_HOSTS = ["*"]
+ALLOWED_HOSTS = ["register.tamuhack.com", 'localhost', '127.0.0.1']
 SESSION_COOKIE_SECURE = False
 SECURE_BROWSER_XSS_FILTER = False
 CSRF_COOKIE_SECURE = False