diff --git a/.gitignore b/.gitignore
index 3299044..5e86a62 100644
--- a/.gitignore
+++ b/.gitignore
@@ -146,5 +146,3 @@ build_artifacts
 .idea
 mo_*
 conda/
-pyproject.toml
-poetry.lock
diff --git a/README.md b/README.md
index 707a30a..44829bf 100644
--- a/README.md
+++ b/README.md
@@ -59,7 +59,7 @@ pip install git+https://github.com/MAfarrag/statista
 ## pip
 to install the last release you can easly use pip
 ```
-pip install statista==0.1.5
+pip install statista==0.1.6
 ```
 
 Quick start
diff --git a/poetry.lock b/poetry.lock
new file mode 100644
index 0000000..3e0829e
--- /dev/null
+++ b/poetry.lock
@@ -0,0 +1,884 @@
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+numpy = ">=1.17.3"
+scipy = ">=1.3.2"
+threadpoolctl = ">=2.0.0"
+
+[package.extras]
+tests = ["numpydoc (>=1.2.0)", "pyamg (>=4.0.0)", "mypy (>=0.961)", "black (>=22.3.0)", "flake8 (>=3.8.2)", "pytest-cov (>=2.9.0)", "pytest (>=5.0.1)", "pandas (>=1.0.5)", "scikit-image (>=0.16.2)", "matplotlib (>=3.1.2)"]
+examples = ["seaborn (>=0.9.0)", "pandas (>=1.0.5)", "scikit-image (>=0.16.2)", "matplotlib (>=3.1.2)"]
+docs = ["sphinxext-opengraph (>=0.4.2)", "sphinx-prompt (>=1.3.0)", "Pillow (>=7.1.2)", "numpydoc (>=1.2.0)", "sphinx-gallery (>=0.7.0)", "sphinx (>=4.0.1)", "memory-profiler (>=0.57.0)", "seaborn (>=0.9.0)", "pandas (>=1.0.5)", "scikit-image (>=0.16.2)", "matplotlib (>=3.1.2)"]
+benchmark = ["memory-profiler (>=0.57.0)", "pandas (>=1.0.5)", "matplotlib (>=3.1.2)"]
+
+[[package]]
+name = "scipy"
+version = "1.9.1"
+description = "SciPy: Scientific Library for Python"
+category = "main"
+optional = false
+python-versions = ">=3.8,<3.12"
+
+[package.dependencies]
+numpy = ">=1.18.5,<1.25.0"
+
+[[package]]
+name = "setuptools-scm"
+version = "7.0.5"
+description = "the blessed package to manage your versions by scm tags"
+category = "main"
+optional = false
+python-versions = ">=3.7"
+
+[package.dependencies]
+packaging = ">=20.0"
+tomli = ">=1.0.0"
+typing-extensions = "*"
+
+[package.extras]
+test = ["pytest (>=6.2)", "virtualenv (>20)"]
+toml = ["setuptools (>=42)"]
+
+[[package]]
+name = "six"
+version = "1.16.0"
+description = "Python 2 and 3 compatibility utilities"
+category = "main"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*"
+
+[[package]]
+name = "smmap"
+version = "5.0.0"
+description = "A pure Python implementation of a sliding window memory map manager"
+category = "dev"
+optional = false
+python-versions = ">=3.6"
+
+[[package]]
+name = "snowballstemmer"
+version = "2.2.0"
+description = "This package provides 29 stemmers for 28 languages generated from Snowball algorithms."
+category = "dev"
+optional = false
+python-versions = "*"
+
+[[package]]
+name = "stevedore"
+version = "4.0.0"
+description = "Manage dynamic plugins for Python applications"
+category = "dev"
+optional = false
+python-versions = ">=3.8"
+
+[package.dependencies]
+pbr = ">=2.0.0,<2.1.0 || >2.1.0"
+
+[[package]]
+name = "threadpoolctl"
+version = "3.1.0"
+description = "threadpoolctl"
+category = "main"
+optional = false
+python-versions = ">=3.6"
+
+[[package]]
+name = "toml"
+version = "0.10.2"
+description = "Python Library for Tom's Obvious, Minimal Language"
+category = "dev"
+optional = false
+python-versions = ">=2.6, !=3.0.*, !=3.1.*, !=3.2.*"
+
+[[package]]
+name = "tomli"
+version = "2.0.1"
+description = "A lil' TOML parser"
+category = "main"
+optional = false
+python-versions = ">=3.7"
+
+[[package]]
+name = "typing-extensions"
+version = "4.3.0"
+description = "Backported and Experimental Type Hints for Python 3.7+"
+category = "main"
+optional = false
+python-versions = ">=3.7"
+
+[[package]]
+name = "virtualenv"
+version = "20.16.5"
+description = "Virtual Python Environment builder"
+category = "dev"
+optional = false
+python-versions = ">=3.6"
+
+[package.dependencies]
+distlib = ">=0.3.5,<1"
+filelock = ">=3.4.1,<4"
+platformdirs = ">=2.4,<3"
+
+[package.extras]
+docs = ["proselint (>=0.13)", "sphinx (>=5.1.1)", "sphinx-argparse (>=0.3.1)", "sphinx-rtd-theme (>=1)", "towncrier (>=21.9)"]
+testing = ["coverage (>=6.2)", "coverage-enable-subprocess (>=1)", "flaky (>=3.7)", "packaging (>=21.3)", "pytest (>=7.0.1)", "pytest-env (>=0.6.2)", "pytest-freezegun (>=0.4.2)", "pytest-mock (>=3.6.1)", "pytest-randomly (>=3.10.3)", "pytest-timeout (>=2.1)"]
+
+[[package]]
+name = "win32-setctime"
+version = "1.1.0"
+description = "A small Python utility to set file creation time on Windows"
+category = "main"
+optional = false
+python-versions = ">=3.5"
+
+[package.extras]
+dev = ["black (>=19.3b0)", "pytest (>=4.6.2)"]
+
+[metadata]
+lock-version = "1.1"
+python-versions = ">=3.9,<3.12"
+content-hash = "2476804d5f100d327b49a96f71df757275ef06997c2bdfc20737a88f57639d18"
+
+[metadata.files]
+attrs = []
+bandit = []
+black = []
+cfgv = []
+classify-imports = []
+click = []
+colorama = []
+contourpy = []
+coverage = []
+cycler = []
+darglint = []
+distlib = []
+docutils = []
+filelock = []
+flake8 = []
+flake8-bandit = []
+flake8-bugbear = []
+flake8-docstrings = []
+flake8-rst-docstrings = []
+fonttools = []
+gitdb = []
+gitpython = []
+identify = []
+iniconfig = []
+joblib = []
+kiwisolver = []
+loguru = []
+matplotlib = []
+mccabe = []
+mypy-extensions = []
+nodeenv = []
+numpy = []
+packaging = []
+pandas = []
+pathspec = []
+pbr = []
+pep8-naming = []
+pillow = []
+platformdirs = []
+pluggy = []
+pre-commit = []
+pre-commit-hooks = []
+py = []
+pycodestyle = []
+pydocstyle = []
+pyflakes = []
+pygments = []
+pyparsing = []
+pytest = []
+pytest-cov = []
+python-dateutil = []
+pytz = []
+pyyaml = []
+reorder-python-imports = []
+restructuredtext-lint = []
+"ruamel.yaml" = []
+"ruamel.yaml.clib" = []
+scikit-learn = []
+scipy = []
+setuptools-scm = []
+six = []
+smmap = []
+snowballstemmer = []
+stevedore = []
+threadpoolctl = []
+toml = []
+tomli = []
+typing-extensions = []
+virtualenv = []
+win32-setctime = []
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..f11f275
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,86 @@
+[tool.poetry]
+name = "statista"
+version = "0.1.6"
+description = "statistics package"
+authors = ["Mostafa Farrag <moah.farag@gmail.com>"]
+readme = "README.md"
+license = "GNU General Public License v3"
+repository = "https://github.com/MAfarrag/statista"
+documentation = "https://statista.readthedocs.io/"
+keywords = ["statistics", "distributions"]
+classifiers=[
+        "Development Status :: 5 - Production/Stable",
+        "Environment :: Console",
+        "License :: OSI Approved :: GNU General Public License v3 (GPLv3)",
+        "Natural Language :: English",
+        "Programming Language :: Python :: 3",
+        "Programming Language :: Python :: 3.9",
+        "Programming Language :: Python :: 3.10",
+        "Intended Audience :: Science/Research",
+        "Intended Audience :: Developers",
+    ]
+
+
+
+[tool.poetry.dependencies]
+python = ">=3.9,<3.12"
+matplotlib = "^=3.5.3"
+pandas = "^=1.4.4"
+scipy = "^1.9.1"
+scikit-learn = "^=1.1.1"
+loguru = "^0.6.0"
+
+
+
+[tool.poetry.dev-dependencies]
+pytest = "^7.1.3"
+pytest-cov = "^3.0.0"
+pre-commit = "^2.20.0"
+black = "^22.8.0"
+flake8-bandit = "^4.1.1"
+flake8-bugbear = "^22.9.11"
+flake8-docstrings = "^1.6.0"
+flake8-rst-docstrings = "^0.2.7"
+pep8-naming = "^0.13.2"
+darglint = "^1.8.1"
+reorder-python-imports = "^3.8.2"
+pre-commit-hooks = "^4.3.0"
+
+
+[tool.poetry.scripts]
+
+[tool.coverage.paths]
+source = ["statista", "*/site-packages"]
+
+
+[tool.coverage.run]
+branch = true
+source = ["statista"]
+
+
+[tool.coverage.report]
+show_missing = true
+fail_under = 40
+
+
+[tool.isort]
+multi_line_output=3
+include_trailing_comma=true
+force_grid_wrap=0
+use_parentheses=true
+line_length=88
+ensure_newline_before_comments=true
+profile="black"
+
+
+[tool.pytest.ini_options]
+minversion = "7.0"
+addopts = "-ra -q"
+testpaths = [
+    "tests",
+]
+
+
+[build-system]
+requires = ["setuptools", "poetry-core>=1.0.0"]
+build-backend = "poetry.core.masonry.api"
diff --git a/requirements.txt b/requirements.txt
index dc946c3..91c870a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,5 +2,5 @@ loguru >=0.6.0
 matplotlib >=3.5.3
 pandas >=1.4.4
 pip >=22.2.2
-scikit-learn >=1.1.2
+scikit-learn >=1.1.1
 scipy >=1.9.1
diff --git a/setup.py b/setup.py
deleted file mode 100644
index cc9ecb8..0000000
--- a/setup.py
+++ /dev/null
@@ -1,44 +0,0 @@
-from setuptools import find_packages, setup
-
-with open("README.md", "r") as readme_file:
-    readme = readme_file.read()
-
-with open("HISTORY.rst") as history_file:
-    history = history_file.read()
-
-requirements = [line.strip() for line in open("requirements.txt").readlines()]
-
-test_requirements = [
-    "pytest>=3",
-]
-
-setup(
-    name="statista",
-    version="0.1.5",
-    description="statistics package",
-    author="Mostafa Farrag",
-    author_email="moah.farag@gmail.come",
-    url="https://github.com/MAfarrag/statista",
-    keywords=["statistics", "distributions"],
-    long_description=readme + "\n\n" + history,
-    long_description_content_type="text/markdown",
-    license="GNU General Public License v3",
-    zip_safe=False,
-    packages=find_packages(include=["statista", "statista.*"]),
-    test_suite="tests",
-    tests_require=test_requirements,
-    install_requires=requirements,
-    classifiers=[
-        "Development Status :: 5 - Production/Stable",
-        "Environment :: Console",
-        "License :: OSI Approved :: GNU General Public License v3 (GPLv3)",
-        "Natural Language :: English",
-        "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.7",
-        "Programming Language :: Python :: 3.8",
-        "Programming Language :: Python :: 3.9",
-        "Programming Language :: Python :: 3.10",
-        "Intended Audience :: Science/Research",
-        "Intended Audience :: Developers",
-    ],
-)