diff --git a/tests/test_cli.py b/tests/test_cli.py
index 2857c1c..568ea4d 100644
--- a/tests/test_cli.py
+++ b/tests/test_cli.py
@@ -21,7 +21,7 @@
 
 @pytest.mark.vcr()
 def test_update_uses_the_provided_filename(runner, tmpdir):
-    config_fd = tmpdir.join('github-compose.yaml')
+    config_fd = tmpdir.join('Githubfile')
     config_fd.write(GITHUB_FILE)
 
     result = runner.invoke(cli, ['update', '-f', str(config_fd)])