diff --git a/tests/test_config.py b/tests/test_config.py
index 214cd17..815005b 100644
--- a/tests/test_config.py
+++ b/tests/test_config.py
@@ -5,6 +5,7 @@ from flit.config import read_flit_config, ConfigError
 
 samples_dir = Path(__file__).parent / 'samples'
 
+@pytest.mark.skip("Needs internet access")
 def test_invalid_classifier():
     with pytest.raises(ConfigError):
         read_flit_config(samples_dir / 'invalid_classifier.toml')
