diff --git a/keystoneclient/tests/unit/test_session.py b/keystoneclient/tests/unit/test_session.py
index 646cba8c3..d5210972a 100644
--- a/keystoneclient/tests/unit/test_session.py
+++ b/keystoneclient/tests/unit/test_session.py
@@ -232,10 +232,10 @@ class SessionTests(utils.TestCase):
         # The exception should contain the URL and details about the SSL error
         msg = _('SSL exception connecting to %(url)s: %(error)s') % {
             'url': self.TEST_URL, 'error': error}
-        self.assertRaisesRegexp(exceptions.SSLError,
-                                msg,
-                                session.get,
-                                self.TEST_URL)
+        self.assertRaisesRegex(exceptions.SSLError,
+                               msg,
+                               session.get,
+                               self.TEST_URL)
 
 
 class RedirectTests(utils.TestCase):