diff --git a/Lib/test/test_support.py b/Lib/test/test_support.py
index 0e289c1..73135a7 100644
--- a/Lib/test/test_support.py
+++ b/Lib/test/test_support.py
@@ -33,7 +33,7 @@
 class TestFailed(Error):
     """Test failed."""
 
-class ResourceDenied(SkipTest):
+class ResourceDenied(unittest.SkipTest):
     """Test skipped because it requested a disallowed resource.
 
     This is raised when a test calls requires() for a resource that