diff --git a/django_mailgun/__init__.py b/django_mailgun/__init__.py
index c53bbc4..b32f28a 100644
--- a/django_mailgun/__init__.py
+++ b/django_mailgun/__init__.py
@@ -33,7 +33,7 @@ def __init__(self, fail_silently=False, *args, **kwargs):
             else:
                 raise
 
-        self._api_url = "https://api.mailgun.net/v2/%s/" % self._server_name
+        self._api_url = "https://api.mailgun.net/v3/%s/" % self._server_name
 
     def open(self):
         """Stub for open connection, all sends are done over HTTP POSTs