diff --git a/docs/conf.py b/docs/conf.py
index 73e713e..9030952 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -12,11 +12,20 @@
 #
 import os
 import sys
+import tomli
 sys.path.insert(0, os.path.abspath('..'))
 
 
 # -- General configuration ---------------------------------------------------
 
+with open("../../pyproject.toml", "rb") as f:
+    py_project = tomli.load(f)
+project = py_project['tool']['poetry']['name']
+copyright = u'2022, Daniel Tchoń'
+author = 'Daniel Tchoń'
+version = py_project['tool']['poetry']['version']
+release = py_project['tool']['poetry']['version']
+
 # Add any Sphinx extension module names here, as strings. They can be
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
diff --git a/pyproject.toml b/pyproject.toml
index fbc4698..2a048f1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,11 +1,32 @@
 [tool.poetry]
 name = "hikari"
-version = "0.3.0"
+version = "0.2.3"
 description = "A high-level tool for manipulating crystallographic files"
-authors = ["Daniel Tchoń"]
+authors = ["Daniel Tchoń <dtchon@chem.uw.edu.pl>"]
 license = "MIT"
 readme = "README.md"
 
+include = ['hikari/resources/*']
+classifiers = [
+    'Development Status :: 3 - Alpha',
+    'Environment :: Console',
+    'Intended Audience :: Science/Research',
+    'License :: OSI Approved :: MIT License',
+    'Natural Language :: English',
+    'Operating System :: OS Independent',
+    'Programming Language :: Python',
+    'Programming Language :: Python :: 3',
+    'Programming Language :: Python :: 3.9',
+    'Programming Language :: Python :: 3.10',
+    'Programming Language :: Python :: 3.11',
+    'Programming Language :: Python :: 3.12',
+    'Programming Language :: Python :: 3.13',
+    'Programming Language :: Python :: 3 :: Only',
+    'Topic :: Scientific/Engineering',
+    'Topic :: Scientific/Engineering :: Chemistry',
+    'Topic :: Scientific/Engineering :: Physics',
+]
+
 [tool.poetry.dependencies]
 python = ">=3.9"
 numpy = ">=1.25"
@@ -27,6 +48,7 @@ sphinx-rtd-theme = ">=3"
 jupyter = ">=1.1"
 python-semantic-release = {version = "^9.11.1", python = "^3.8"}
 docutils = "!=0.21.post1"
+tomli = ">= 2"
 
 [tool.semantic_release]
 version_toml = ["pyproject.toml:tool.poetry.version", ]  # version location
diff --git a/setup.py b/setup.py
deleted file mode 100644
index 773adb1..0000000
--- a/setup.py
+++ /dev/null
@@ -1,67 +0,0 @@
-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-
-import io
-import os
-import sys
-from setuptools import setup, find_packages
-
-# Version control
-python_requires = '>=3.9'
-MIN_VERSION = (3, 9)
-error_msg = ('This package requires Python %d.%d or higher.' % MIN_VERSION)
-try:
-    if sys.version_info < MIN_VERSION:
-        sys.exit(error_msg)
-except AttributeError:  # sys.version_info was introduced in Python 2.0
-    sys.exit(error_msg)
-
-
-# Defining constants, file paths, README contents etc.
-HERE = os.path.abspath(os.path.dirname(__file__))
-SHORT_DESCRIPTION = 'A high-level tool for manipulating crystallographic files'
-with io.open(os.path.join(HERE, "README.md"), encoding="utf-8") as f:
-    LONG_DESCRIPTION = "\n" + f.read()
-
-setup(
-    name='hikari-toolkit',
-    version='0.2.3',
-    author='Daniel Tchoń',
-    author_email='dtchon@chem.uw.edu.pl',
-    packages=find_packages(exclude=('legacy', )),
-    package_data={'': ['*.csv', '*.dic', '*.gnu', 'hkl.msd', '*.json',
-                       '*.wsv', 'NaCl.cif', 'NaCl.fcf', 'NaCl.hkl',
-                       'NaCl.lst', 'NaCl.res']},
-    url='https://github.com/Baharis/hikari',
-    license='MIT',
-    description=SHORT_DESCRIPTION,
-    long_description_content_type='text/markdown',
-    long_description=LONG_DESCRIPTION,
-    classifiers=[
-        'Development Status :: 3 - Alpha',
-        'Environment :: Console',
-        'Intended Audience :: Science/Research',
-        'License :: OSI Approved :: MIT License',
-        'Natural Language :: English',
-        'Operating System :: OS Independent',
-        'Programming Language :: Python',
-        'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.9',
-        'Programming Language :: Python :: 3.10',
-        'Programming Language :: Python :: 3.11',
-        'Programming Language :: Python :: 3.12',
-        'Programming Language :: Python :: 3.13',
-        'Programming Language :: Python :: 3 :: Only',
-        'Topic :: Scientific/Engineering',
-        'Topic :: Scientific/Engineering :: Chemistry',
-        'Topic :: Scientific/Engineering :: Physics'
-    ],
-    install_requires=[
-        'matplotlib>=3.0.0,!=3.3.*',
-        'numpy>=1.18.1',
-        'pandas>=1.0.1',
-        'seaborn>=0.11.0',
-        'scipy>=1.5.1',
-        'uncertainties>=3.*',
-    ]
-)