diff --git a/.github/workflows/python-app.yml b/.github/workflows/python-app.yml
new file mode 100644
index 0000000..40d9d2c
--- /dev/null
+++ b/.github/workflows/python-app.yml
@@ -0,0 +1,63 @@
+# This workflow will install Python dependencies, run tests and lint with a single version of Python
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python
+
+name: Python application
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up Python 3.10
+      uses: actions/setup-python@v3
+      with:
+        python-version: "3.10"
+    - name: astral-sh/setup-uv
+    # You may pin to the exact commit or the version.
+    # uses: astral-sh/setup-uv@887a942a15af3a7626099df99e897a18d9e5ab3a
+      uses: astral-sh/setup-uv@v5.1.0
+      with:
+        # The version of uv to install
+        #version: # optional, default is latest
+        # The version of Python to set UV_PYTHON to
+        python-version: 3.10.6
+        # The checksum of the uv version to install
+        #checksum: # optional
+        # Used to increase the rate limit when retrieving versions and downloading uv.
+        #github-token: # optional, default is ${{ github.token }}
+        # Enable caching of the uv cache
+        #enable-cache: # optional, default is auto
+        # Glob pattern to match files relative to the repository root to control the cache.
+        #cache-dependency-glob: # optional, default is **/uv.lock **/requirements*.txt
+  
+        # Suffix for the cache key
+        #cache-suffix: # optional
+        # Local path to store the cache.
+        #cache-local-path: # optional, default is 
+        # Prune cache before saving.
+        #prune-cache: # optional, default is true
+        # Ignore when nothing is found to cache.
+        #ignore-nothing-to-cache: # optional, default is false
+        # Custom path to set UV_TOOL_DIR to.
+        #tool-dir: # optional
+        # Custom path to set UV_TOOL_BIN_DIR to.
+        #tool-bin-dir: # optional
+    - name: Install Dependencies
+      # Need to run lock or else it also tries to install Windows dependencies
+      run: |
+        uv lock
+        uv sync
+    - name: Test with pytest
+      run: |
+        uv run pytest tests
diff --git a/pyproject.toml b/pyproject.toml
index fc2608b..fdef273 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,9 +11,8 @@ dependencies = [
     "attrs>=24.3.0",
     "pillow>=11.1.0",
     "pyuac>=0.0.3",
-    "pywin32>=308",
     "pywin32>=308 ; sys_platform == 'win32'",
-    "pywinpty>=2.0.14",
+    "pywinpty>=2.0.14 ; sys_platform == 'win32'",
     "sv-ttk>=2.6.0",
     "tk>=0.1.0",
 ]
diff --git a/src/msix_global_installer/msix.py b/src/msix_global_installer/msix.py
index 41571ce..9eb493f 100644
--- a/src/msix_global_installer/msix.py
+++ b/src/msix_global_installer/msix.py
@@ -1,13 +1,16 @@
 from dataclasses import dataclass
 from math import ceil
 from msix_global_installer import events
-from winpty import PtyProcess
 import logging
 import os
 import pathlib
 import re
 import xml.etree.ElementTree as ET
 import zipfile
+import sys
+
+if sys.platform == "win32":
+    from winpty import PtyProcess
 
 
 logger = logging.getLogger(__name__)
diff --git a/tests/test_msix.py b/tests/test_msix.py
index d13f39e..11db8b1 100644
--- a/tests/test_msix.py
+++ b/tests/test_msix.py
@@ -16,11 +16,6 @@ def test_get_msix_metadata(self, tmpdir):
         assert data.publisher == 'Contoso Corporation'
         assert data.package_path == path
 
-    def test_install(self):
-        """Test we can install with a subprocess."""
-        path = pathlib.Path("tests/TestMsixPackage.msix")
-        msix.install_msix(path)
-
     def test_count_percentage(self):
         """Test we can count the progress."""
         test_start = r"    [                                                                    ]      \r\n"
diff --git a/uv.lock b/uv.lock
index c9af7e5..b392bf7 100644
--- a/uv.lock
+++ b/uv.lock
@@ -79,8 +79,8 @@ dependencies = [
     { name = "attrs" },
     { name = "pillow" },
     { name = "pyuac" },
-    { name = "pywin32" },
-    { name = "pywinpty" },
+    { name = "pywin32", marker = "sys_platform == 'win32'" },
+    { name = "pywinpty", marker = "sys_platform == 'win32'" },
     { name = "sv-ttk" },
     { name = "tk" },
 ]
@@ -97,9 +97,8 @@ requires-dist = [
     { name = "attrs", specifier = ">=24.3.0" },
     { name = "pillow", specifier = ">=11.1.0" },
     { name = "pyuac", specifier = ">=0.0.3" },
-    { name = "pywin32", specifier = ">=308" },
     { name = "pywin32", marker = "sys_platform == 'win32'", specifier = ">=308" },
-    { name = "pywinpty", specifier = ">=2.0.14" },
+    { name = "pywinpty", marker = "sys_platform == 'win32'", specifier = ">=2.0.14" },
     { name = "sv-ttk", specifier = ">=2.6.0" },
     { name = "tk", specifier = ">=0.1.0" },
 ]