diff --git a/bin/run_test.py b/bin/run_test.py
index 801aed0e..b9abde02 100755
--- a/bin/run_test.py
+++ b/bin/run_test.py
@@ -17,7 +17,7 @@ def single_run(test_project):
 
     # run the test
     subprocess.check_call(
-        [sys.executable, '-m', 'pytest', '-v', os.path.join(test_project, 'cibuildwheel_test.py')],
+        [sys.executable, '-m', 'pytest', '-vv', os.path.join(test_project, 'cibuildwheel_test.py')],
         env=env,
     )