diff --git a/tempest/common/rest_client.py b/tempest/common/rest_client.py
index 12cf923..8924fd3 100644
--- a/tempest/common/rest_client.py
+++ b/tempest/common/rest_client.py
@@ -103,7 +103,7 @@
         params['headers'] = {'User-Agent': 'Test-Client', 'X-Auth-User': user,
                              'X-Auth-Key': password}
 
-        self.http_obj = httplib2.Http()
+        self.http_obj = httplib2.Http(disable_ssl_certificate_validation=True)
         resp, body = self.http_obj.request(auth_url, 'GET', **params)
         try:
             return resp['x-auth-token'], resp['x-server-management-url']
@@ -125,7 +125,7 @@
             }
         }
 
-        self.http_obj = httplib2.Http()
+        self.http_obj = httplib2.Http(disable_ssl_certificate_validation=True)
         headers = {'Content-Type': 'application/json'}
         body = json.dumps(creds)
         resp, body = self.http_obj.request(auth_url, 'POST',
@@ -201,7 +201,7 @@
         if (self.token is None) or (self.base_url is None):
             self._set_auth()
 
-        self.http_obj = httplib2.Http()
+        self.http_obj = httplib2.Http(disable_ssl_certificate_validation=True)
         if headers is None:
             headers = {}
         headers['X-Auth-Token'] = self.token