diff --git a/.github/workflows/pythonapp.yml b/.github/workflows/pythonapp.yml
index b664360..ed35439 100644
--- a/.github/workflows/pythonapp.yml
+++ b/.github/workflows/pythonapp.yml
@@ -4,15 +4,15 @@ on: [push]
 
 jobs:
   build:
-    runs-on: ubuntu-latest
     strategy:
       matrix:
         python-version: ['3.8', '3.9', '3.10', '3.11']
-
+        os: [ubuntu-latest, windows-latest]
+    runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v3
     - name: Set up Python
-      uses: actions/setup-python@v3
+      uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies
diff --git a/.github/workflows/pythonpublish.yml b/.github/workflows/pythonpublish.yml
index 73cb5c7..307a516 100644
--- a/.github/workflows/pythonpublish.yml
+++ b/.github/workflows/pythonpublish.yml
@@ -15,7 +15,7 @@ jobs:
     steps:
     - uses: actions/checkout@v3
     - name: Set up Python
-      uses: actions/setup-python@v3
+      uses: actions/setup-python@v4
       with:
         python-version: '3.x'
     - name: Install dependencies
diff --git a/tdworkflow/util.py b/tdworkflow/util.py
index afb250b..df09ba1 100644
--- a/tdworkflow/util.py
+++ b/tdworkflow/util.py
@@ -1,38 +1,34 @@
-import glob
 import io
 import logging
 import os
 import re
 import tarfile
 from datetime import datetime, timedelta, timezone
+from pathlib import Path
 from typing import List, Optional
 
 logger = logging.getLogger(__name__)
 
 
-def exclude_files(pattern):
-    def _filter(tarinfo):
-        if re.search(pattern, tarinfo.name) or os.path.basename(
-            tarinfo.name
-        ).startswith("."):
-            return None
-        else:
-            return tarinfo
-
-    return _filter
-
-
 def archive_files(target_dir: str, exclude_patterns: List[str]) -> io.BytesIO:
     _partial = r")|(".join(exclude_patterns)
     pattern = rf"({_partial})"
 
+    target_dir_path = Path(target_dir)
     _bytes = io.BytesIO()
     with tarfile.open(mode="w:gz", fileobj=_bytes) as tar:
-        for fn in glob.glob(os.path.join(target_dir, "**"), recursive=True):
-            if not re.search(pattern, fn) and os.path.basename(fn) != "":
-                write_fn = fn.replace(f"{target_dir}/", "")
-                logger.info(f"Added {fn} as {write_fn}")
-                tar.add(fn, write_fn, recursive=False)
+        for current_dir, directories, files in os.walk(target_dir_path):
+            for file_or_dir in [*directories, *files]:
+                file_path = Path(os.path.join(current_dir, file_or_dir))
+                if re.search(pattern, str(file_path)) or file_or_dir.startswith("."):
+                    continue
+                relative_path = file_path.relative_to(target_dir_path)
+                logger.info(f"Added {file_path} as {relative_path}")
+                tar.add(
+                    file_path,
+                    relative_path,
+                    recursive=False,
+                )
 
     _bytes.seek(0)
     return _bytes
diff --git a/tests/test_util.py b/tests/test_util.py
index 1acea1c..c5cc3f5 100644
--- a/tests/test_util.py
+++ b/tests/test_util.py
@@ -1,4 +1,5 @@
 import tarfile
+from pathlib import Path
 
 from tdworkflow.util import archive_files
 
@@ -6,7 +7,7 @@
 def test_archive_files():
     expected_files = ["py_scripts", "py_scripts/exec.py", "main.dig"]
 
-    target_dir = "tests/resources/sample_project"
+    target_dir = Path("tests", "resources", "sample_project")
     excludes = ["ignore_dir", "__ignoredir__"]
     data = archive_files(target_dir, excludes)