diff --git a/git_review/tests/test_unit.py b/git_review/tests/test_unit.py
index 1bbdbffc..24e100bf 100644
--- a/git_review/tests/test_unit.py
+++ b/git_review/tests/test_unit.py
@@ -105,7 +105,7 @@ class GitReviewConsole(testtools.TestCase, fixtures.TestWithFixtures):
 
         try:
             with mock.patch('sys.argv', ['git-review', '--version']):
-                with self.assertRaisesRegexp(SystemExit, '1'):
+                with self.assertRaisesRegex(SystemExit, '1'):
                     cmd.main()
         except Exception as e:
             self.fail('Exception not expected: %s' % e)
diff --git a/test-requirements.txt b/test-requirements.txt
index c61b89b4..991e3dd0 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1,8 +1,4 @@
-# This is listed in order to preinstall PBR with pip as easy_install
-# on these older python versions can no longer reliably talk to pypi
-# due to non SNI TLS connections being disabled.
-pbr ; python_version >= "3" and python_version <= "3.5"
-hacking>=2.0.0,<2.1.0
+hacking>=2.0.0
 fixtures>=0.3.14
-stestr>=2.2.0,<3.0.0
+stestr>=2.2.0
 testtools>=0.9.34