update version

Author: qbarthelemy

README.md

@@ -1,6 +1,6 @@
 # P*y*ꟼ*ermut*
 
-[![Code PythonVersion](https://img.shields.io/badge/python-3.7+-blue)](https://img.shields.io/badge/python-3.7+-blue)
+[![Code PythonVersion](https://img.shields.io/badge/python-3.8+-blue)](https://img.shields.io/badge/python-3.8+-blue)
 [![License](https://img.shields.io/badge/licence-BSD--3--Clause-green)](https://img.shields.io/badge/license-BSD--3--Clause-green)
 [![Country](https://img.shields.io/badge/made%20in-France-blue)](https://img.shields.io/badge/made%20in-France-blue)
 

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "pypermut"
-version = "0.2.0"
+version = "0.2.1"
 description = "PyPermut is a Python package implementing permutation tests"
 authors = ["Quentin Barthelemy", "Anonymous", "Louis Mayaud"]
 license = "BSD-3-Clause"
@@ -19,7 +19,7 @@ packages = [
 ]
 
 [tool.poetry.dependencies]
-python = "^3.7"
+python = "^3.8"
 numpy = "^1.16.5"
 scipy = "^1.6.0"
 matplotlib = "^3.0.0"