diff --git a/README.md b/README.md
old mode 100644
new mode 100755
index 32e7d58..2c10a0f
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@ A raycast simulation written in PyGame, Python
 
 ## Setup
 1. Install the required libraries: `pip3 install -r requirements.txt`
-2. Cythonize the class files: `cythonize -i ray.pyx && cythonize -i walls.pyx`
+2. Run setup file to cythonize class files: `python3 setup.py build_ext --inplace`
 3. Run `main.py`: `python3 main.py`
 
 ## Screenshots
diff --git a/setup.py b/setup.py
new file mode 100644
index 0000000..59eab74
--- /dev/null
+++ b/setup.py
@@ -0,0 +1,6 @@
+from distutils.core import setup
+from Cython.Build import cythonize
+
+setup(
+    ext_modules=cythonize(["walls.pyx", "ray.pyx"])
+)