diff --git a/src/nsupdate/settings/base.py b/src/nsupdate/settings/base.py
index 47c140e..addaca2 100644
--- a/src/nsupdate/settings/base.py
+++ b/src/nsupdate/settings/base.py
@@ -308,7 +308,7 @@ AUTHENTICATION_BACKENDS = (
     'social_core.backends.amazon.AmazonOAuth2',
     'social_core.backends.bitbucket.BitbucketOAuth',
     'social_core.backends.disqus.DisqusOAuth2',
-    'social_core.backends.dropbox.DropboxOAuth',
+    'social_core.backends.dropbox.DropboxOAuth2V2',
     'social_core.backends.github.GithubOAuth2',
     'social_core.backends.google.GoogleOAuth2',
     'social_core.backends.reddit.RedditOAuth2',