diff --git a/elasticsearch/exceptions.py b/elasticsearch/exceptions.py
index 76978a86..5085c6f6 100644
--- a/elasticsearch/exceptions.py
+++ b/elasticsearch/exceptions.py
@@ -1,7 +1,7 @@
 __all__ = [
     'ImproperlyConfigured', 'ElasticsearchException', 'SerializationError',
     'TransportError', 'NotFoundError', 'ConflictError', 'RequestError', 'ConnectionError',
-    'SSLError', 'ConnectionTimeout'
+    'SSLError', 'ConnectionTimeout', 'AuthenticationException', 'AuthorizationException'
 ]
 
 class ImproperlyConfigured(Exception):