diff --git a/googleapiclient/discovery.py b/googleapiclient/discovery.py
index 44473dc..a81ceca 100644
--- a/googleapiclient/discovery.py
+++ b/googleapiclient/discovery.py
@@ -1361,7 +1361,7 @@
         # httplib2 leaves sockets open by default.
         # Cleanup using the `close` method.
         # https://github.com/httplib2/httplib2/issues/148
-        self._http.http.close()
+        self._http.close()
 
     def _set_service_methods(self):
         self._add_basic_methods(self._resourceDesc, self._rootDesc, self._schema)
diff --git a/setup.py b/setup.py
index b95495b..80362d8 100644
--- a/setup.py
+++ b/setup.py
@@ -34,7 +34,7 @@
 install_requires = [
     "httplib2>=0.15.0,<1dev",
     "google-auth>=1.16.0,<2dev",
-    "google-auth-httplib2>=0.0.3",
+    "google-auth-httplib2>=0.1.0",
     "google-api-core>=1.21.0,<2dev",
     "six>=1.13.0,<2dev",
     "uritemplate>=3.0.0,<4dev",
diff --git a/tests/test_discovery.py b/tests/test_discovery.py
index 1a57ad3..fbb6475 100644
--- a/tests/test_discovery.py
+++ b/tests/test_discovery.py
@@ -87,6 +87,7 @@
 from oauth2client import GOOGLE_TOKEN_URI
 from oauth2client.client import OAuth2Credentials, GoogleCredentials
 
+
 from googleapiclient import _helpers as util
 
 import uritemplate
@@ -591,14 +592,27 @@
 
     def test_resource_close(self):
         discovery = read_datafile("plus.json")
-        with mock.patch("httplib2.Http") as http:
+        
+        with mock.patch("httplib2.Http", autospec=True) as httplib2_http:
+            http = httplib2_http()
+            plus = build_from_document(
+                discovery,
+                base="https://www.googleapis.com/",
+                http=http,
+            )
+            plus.close()
+            http.close.assert_called_once()
+
+    def test_resource_close_authorized_http(self):
+        discovery = read_datafile("plus.json")
+        with mock.patch("google_auth_httplib2.AuthorizedHttp", autospec=True):
             plus = build_from_document(
                 discovery,
                 base="https://www.googleapis.com/",
                 credentials=self.MOCK_CREDENTIALS,
             )
             plus.close()
-            plus._http.http.close.assert_called_once()
+            plus._http.close.assert_called_once()
 
     def test_api_endpoint_override_from_client_options(self):
         discovery = read_datafile("plus.json")