diff --git a/BUILD.md b/BUILD.md
deleted file mode 100644
index ab87771..0000000
--- a/BUILD.md
+++ /dev/null
@@ -1,74 +0,0 @@
-# Build Instructions
-
-## Prerequisites
-
-- Python 3.10 or later
-- pip
-
-## Setup
-
-Install the runtime and build dependencies:
-
-```sh
-pip install -e .
-```
-
-For development (linting, type-checking, testing), also install the dev extras:
-
-```sh
-pip install -e . --group dev
-```
-
-For builds and deploys , also install the build extras:
-
-```sh
-pip install -e . --group build
-```
-
-## Running Tests
-
-```sh
-pytest
-```
-
-With coverage:
-
-```sh
-pytest --cov=instaparser
-```
-
-## Linting & Type Checking
-
-```sh
-ruff check instaparser/
-ruff format --check instaparser/
-mypy instaparser/
-```
-
-## Building the Package
-
-Build both the sdist and wheel:
-
-```sh
-python -m build
-```
-
-The outputs will be in the `dist/` directory.
-
-## Publishing to PyPI
-
-Upload the built artifacts with twine:
-
-```sh
-twine upload dist/*
-```
-
-To test against Test PyPI first:
-
-```sh
-twine upload --repository testpypi dist/*
-```
-
-## Versioning
-
-The package version is defined in `instaparser/__init__.py` and read automatically by Hatch at build time via the `[tool.hatch.version]` configuration in `pyproject.toml`.
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
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index 0000000..79cba3e
--- /dev/null
+++ b/CONTRIBUTING.md
@@ -0,0 +1,30 @@
+# Contributing
+
+## Setup
+
+Requires Python 3.10 or later.
+
+```sh
+pip install -e . --group dev
+```
+
+## Running Tests
+
+```sh
+pytest
+
+# With coverage:
+pytest --cov=instaparser
+```
+
+## Linting & Type Checking
+
+```sh
+ruff check instaparser/ tests/
+ruff format --check instaparser/ tests/
+mypy
+```
+
+## Versioning
+
+The package version is defined in `instaparser/__init__.py` and read by setuptools at build time via `[tool.setuptools.dynamic]` in `pyproject.toml`.