diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..1ba4722
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,15 @@
+name: CI
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: "3.14"
+      - run: pip install -e .[dev]
\ No newline at end of file
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..02a15a7
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,11 @@
+[build-system]
+requires = ["setuptools>=61"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "catboxer"
+version = "0.1.0"
+requires-python = ">=3.9"
+
+[project.scripts]
+catboxer = "catboxer.cli:main"
\ No newline at end of file
diff --git a/src/catboxer/__init__.py b/src/catboxer/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/catbox.py b/src/catboxer/catbox.py
similarity index 100%
rename from src/catbox.py
rename to src/catboxer/catbox.py
diff --git a/src/main.py b/src/catboxer/cli.py
similarity index 94%
rename from src/main.py
rename to src/catboxer/cli.py
index d5c00e7..1e53464 100644
--- a/src/main.py
+++ b/src/catboxer/cli.py
@@ -1,7 +1,7 @@
 import argparse
 from pathlib import Path
 
-from catbox import upload
+from catboxer.catbox import upload
 
 
 def upload_file(args):
@@ -16,7 +16,7 @@ def upload_file(args):
 def download_file(args):
     print(f"Downloading {args.file} to {args.output}")
 
-if __name__ == '__main__':
+def main():
     parser = argparse.ArgumentParser(prog="catboxer")
 
     subparsers = parser.add_subparsers(title="commands", dest="command", required=True)
@@ -33,4 +33,7 @@ def download_file(args):
     download_parser.set_defaults(func=download_file)
 
     args = parser.parse_args()
-    args.func(args)
\ No newline at end of file
+    args.func(args)
+
+if __name__ == '__main__':
+    main()
\ No newline at end of file