diff --git a/oauth2/__init__.py b/oauth2/__init__.py
index 835270e3..3a9f9706 100644
--- a/oauth2/__init__.py
+++ b/oauth2/__init__.py
@@ -616,7 +616,7 @@ class Client(httplib2.Http):
     """OAuthClient is a worker to attempt to execute a request."""
 
     def __init__(self, consumer, token=None, cache=None, timeout=None,
-        proxy_info=None):
+        proxy_info=None, **kwargs):
 
         if consumer is not None and not isinstance(consumer, Consumer):
             raise ValueError("Invalid consumer.")
@@ -628,7 +628,7 @@ def __init__(self, consumer, token=None, cache=None, timeout=None,
         self.token = token
         self.method = SignatureMethod_HMAC_SHA1()
 
-        httplib2.Http.__init__(self, cache=cache, timeout=timeout, proxy_info=proxy_info)
+        httplib2.Http.__init__(self, cache=cache, timeout=timeout, proxy_info=proxy_info, **kwargs)
 
     def set_signature_method(self, method):
         if not isinstance(method, SignatureMethod):
diff --git a/oauth2/_version.py b/oauth2/_version.py
index 9d779eaa..4d56cc9f 100644
--- a/oauth2/_version.py
+++ b/oauth2/_version.py
@@ -4,7 +4,7 @@
 
 
 
-auto_build_num = "211"
+auto_build_num = "211-a"