diff --git a/tests/test_runner/test_parallel.py b/tests/test_runner/test_parallel.py
index 318472e478..99352318c1 100644
--- a/tests/test_runner/test_parallel.py
+++ b/tests/test_runner/test_parallel.py
@@ -220,6 +220,7 @@ class RemoteTestResultTest(SimpleTestCase):
 
 
 class ParallelTestSuiteTest(SimpleTestCase):
+    @unittest.skipUnless(tblib is not None, "requires tblib to be installed")
     def test_handle_add_error_before_first_test(self):
         dummy_subsuites = []
         pts = ParallelTestSuite(dummy_subsuites, processes=2)