diff --git a/code/horizon/horizon/test/tests/workflows.py b/code/horizon/horizon/test/tests/workflows.py
index 0aa2487e..9a103d7c 100644
--- a/code/horizon/horizon/test/tests/workflows.py
+++ b/code/horizon/horizon/test/tests/workflows.py
@@ -306,8 +306,8 @@ class WorkflowsTests(test.TestCase):
         req.is_ajax = lambda: True
         res = view(req)
         output = res.render()
-        self.assertRegexpMatches(str(output),
-                                 'class="[^"]*\\bfullscreen\\b[^"]*"')
+        self.assertRegex(str(output),
+                         'class="[^"]*\\bfullscreen\\b[^"]*"')
 
     def test_notfullscreenworkflow_view(self):
         view = TestWorkflowView.as_view()
@@ -315,5 +315,5 @@ class WorkflowsTests(test.TestCase):
         req.is_ajax = lambda: True
         res = view(req)
         output = res.render()
-        self.assertNotRegexpMatches(str(output),
-                                    'class="[^"]*\\bfullscreen\\b[^"]*"')
+        self.assertNotRegex(str(output),
+                            'class="[^"]*\\bfullscreen\\b[^"]*"')