diff --git a/tests/test_helpers.py b/tests/test_helpers.py
index 2f755272..9efdb933 100644
--- a/tests/test_helpers.py
+++ b/tests/test_helpers.py
@@ -129,6 +129,7 @@ def test_bulk_emails_skip_comments_blank_lines(tmp_path, run_main, capsys):
     assert exit_code == 0
 
 
+@pytest.mark.skipif(sys.platform == "win32", reason="chmod(0) does not make files unreadable on Windows")
 def test_email_file_unreadable(tmp_path, run_main):
     email_file = tmp_path / "test_emails.txt"
     email_file.write_text("user@example.com")
@@ -187,6 +188,7 @@ def test_bulk_usernames_skip_comments_blank_lines(tmp_path, run_main, capsys):
     assert exit_code == 0
 
 
+@pytest.mark.skipif(sys.platform == "win32", reason="chmod(0) does not make files unreadable on Windows")
 def test_username_file_unreadable(tmp_path, run_main):
     username_file = tmp_path / "test_usernames.txt"
     username_file.write_text("user")