diff --git a/allianceauth/authentication/templates/registration/activation_email.txt b/allianceauth/authentication/templates/registration/activation_email.txt
index 37fd1f6d..1ad35117 100644
--- a/allianceauth/authentication/templates/registration/activation_email.txt
+++ b/allianceauth/authentication/templates/registration/activation_email.txt
@@ -2,7 +2,7 @@ You're receiving this email because someone has entered this email address while
 
 If this was you, please go to the following URL to confirm your email address:
 
-{{ url }}
+{{ scheme }}://{{ url }}
 
 This link will expire in {{ expiration_days }} day(s).
 
diff --git a/setup.py b/setup.py
index 9e85eae5..d075e8d2 100644
--- a/setup.py
+++ b/setup.py
@@ -17,7 +17,7 @@ install_requires = [
 
     'django>=1.11',
     'django-bootstrap-form',
-    'django-registration',
+    'django-registration>=2.4,<3.0',
     'django-sortedm2m',
     'django-redis-cache>=1.7.1',
     'django-celery-beat',