diff --git a/.github/workflows/setup.yml b/.github/workflows/setup.yml
new file mode 100644
index 0000000..3bc5d97
--- /dev/null
+++ b/.github/workflows/setup.yml
@@ -0,0 +1,21 @@
+name: Setup
+
+on:
+  push:
+    branches: [master]
+
+  pull_request:
+    branches: [master]
+
+jobs:
+  setup:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python 3.8
+      uses: actions/setup-python@v2
+      with:
+        python-version: 3.8
+    - name: Test setup
+      run: |
+        python3 setup.py sdist
diff --git a/examples/3.png b/examples/3.png
index 024ad94..71d1d0f 100644
Binary files a/examples/3.png and b/examples/3.png differ
diff --git a/setup.py b/setup.py
index aefbabc..f9ec90a 100644
--- a/setup.py
+++ b/setup.py
@@ -2,41 +2,42 @@
 import setuptools
 
 
-with open(f"{os.path.dirname(os.path.abspath(__file__))}/README.md") as readme:
-    setuptools.setup(
-        name="3-py",
-        version="1.1.6",
-        description="`.gitignore`-aware tree tool written in Python",
-        long_description=readme.read(),
-        long_description_content_type="text/markdown",
-        author="Vladimir Chebotarev",
-        author_email="vladimir.chebotarev@gmail.com",
-        license="MIT",
-        classifiers=[
-            "Development Status :: 5 - Production/Stable",
-            "Environment :: Console",
-            "Intended Audience :: Developers",
-            "License :: OSI Approved :: MIT License",
-            "Operating System :: OS Independent",
-            "Programming Language :: Python :: 3 :: Only",
-            "Programming Language :: Python :: 3.7",
-            "Programming Language :: Python :: 3.8",
-            "Programming Language :: Python :: 3.9",
-            "Programming Language :: Python :: 3.10",
-            "Programming Language :: Python :: 3.11",
-            "Programming Language :: Python :: 3.12",
-            "Topic :: Software Development",
-            "Topic :: Terminals",
-            "Topic :: Utilities",
-        ],
-        keywords=["git", "gitignore", "tree"],
-        project_urls={
-            "Documentation": "https://github.com/excitoon/3/blob/master/README.md",
-            "Source": "https://github.com/excitoon/3",
-            "Tracker": "https://github.com/excitoon/3/issues",
-        },
-        url="https://github.com/excitoon/3",
-        packages=[],
-        scripts=["3", "3.cmd"],
-        install_requires=["gitignorefile"],
-    )
+with open(f"{os.path.dirname(os.path.abspath(__file__))}/requirements.txt") as requirements:
+    with open(f"{os.path.dirname(os.path.abspath(__file__))}/README.md") as readme:
+        setuptools.setup(
+            name="3-py",
+            version="1.1.6",
+            description="`.gitignore`-aware tree tool written in Python",
+            long_description=readme.read(),
+            long_description_content_type="text/markdown",
+            author="Vladimir Chebotarev",
+            author_email="vladimir.chebotarev@gmail.com",
+            license="MIT",
+            classifiers=[
+                "Development Status :: 5 - Production/Stable",
+                "Environment :: Console",
+                "Intended Audience :: Developers",
+                "License :: OSI Approved :: MIT License",
+                "Operating System :: OS Independent",
+                "Programming Language :: Python :: 3 :: Only",
+                "Programming Language :: Python :: 3.7",
+                "Programming Language :: Python :: 3.8",
+                "Programming Language :: Python :: 3.9",
+                "Programming Language :: Python :: 3.10",
+                "Programming Language :: Python :: 3.11",
+                "Programming Language :: Python :: 3.12",
+                "Topic :: Software Development",
+                "Topic :: Terminals",
+                "Topic :: Utilities",
+            ],
+            keywords=["git", "gitignore", "tree"],
+            project_urls={
+                "Documentation": "https://github.com/excitoon/3/blob/master/README.md",
+                "Source": "https://github.com/excitoon/3",
+                "Tracker": "https://github.com/excitoon/3/issues",
+            },
+            url="https://github.com/excitoon/3",
+            packages=[],
+            scripts=["3", "3.cmd"],
+            install_requires=requirements.read().splitlines(),
+        )
diff --git a/tests.py b/tests.py
index cc6766a..e2ae887 100644
--- a/tests.py
+++ b/tests.py
@@ -23,6 +23,7 @@ def test_simple(self):
 │   └── workflows
 │       ├── black.yml
 │       ├── macos.yml
+│       ├── setup.yml
 │       ├── ubuntu.yml
 │       └── windows.yml
 ├── .gitignore
@@ -37,6 +38,6 @@ def test_simple(self):
 ├── setup.py
 └── tests.py
 
-3 directories, 14 files
+3 directories, 15 files
 """.lstrip().encode(),
         )