diff --git a/dplib/helpers/__spec__/test_file.py b/dplib/helpers/__spec__/test_file.py
index 6a1e945..8d714be 100644
--- a/dplib/helpers/__spec__/test_file.py
+++ b/dplib/helpers/__spec__/test_file.py
@@ -1,10 +1,14 @@
 import os
+import platform
 import stat
 from pathlib import Path
 
+import pytest
+
 from dplib.helpers.file import write_file
 
 
+@pytest.mark.skipif(platform.system() == "Windows", reason="Unix only")
 def test_write_file_implicit_permissions_dp_002(tmpdir: Path):
     path = str(tmpdir / "test.txt")
     write_file(path, "Hello, World!")
@@ -12,6 +16,7 @@ def test_write_file_implicit_permissions_dp_002(tmpdir: Path):
     assert permissions == "0o600"
 
 
+@pytest.mark.skipif(platform.system() == "Windows", reason="Unix only")
 def test_write_file_explicit_permissions_dp_003(tmpdir: Path):
     path = str(tmpdir / "test.txt")
     write_file(path, "Hello, World!", permissions=0o644)