diff --git a/README.rst b/README.rst
index 023726f..d4ab112 100644
--- a/README.rst
+++ b/README.rst
@@ -115,21 +115,22 @@ You can install libnmap via pip:
 
    ronald@brouette:~$ pip install python-libnmap
 
-or via git and dist utils (à l’ancienne):
+or via git and pip:
 
 .. code:: bash
 
    ronald@brouette:~$ git clone https://github.com/savon-noir/python-libnmap.git
    ronald@brouette:~$ cd python-libnmap
-   ronald@brouette:~$ python setup.py install
+   ronald@brouette:~$ pip install .
 
-or via git and pip:
+or via git and dist utils (à l’ancienne/deprecated):
 
 .. code:: bash
 
    ronald@brouette:~$ git clone https://github.com/savon-noir/python-libnmap.git
    ronald@brouette:~$ cd python-libnmap
-   ronald@brouette:~$ pip install .
+   ronald@brouette:~$ python setup.py install
+
 
 Examples
 --------
diff --git a/requirements-dev.txt b/requirements-dev.txt
index d63813a..cb383eb 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,6 +1,6 @@
-black==22.8.0
-defusedxml==0.6.0
-isort==5.6.4
+black==24.3.0
+defusedxml==0.7.1
+isort==6.0.0
 pre-commit
 pytest
 pytest-cov
diff --git a/setup.py b/setup.py
index eb5c0f5..1ff64c0 100644
--- a/setup.py
+++ b/setup.py
@@ -1,11 +1,15 @@
 # -*- coding: utf-8 -*-
 import sys
-from distutils.core import setup
+
+try:
+    from setuptools import setup
+except ImportError:
+    from distutils.core import setup
 
 if sys.version_info >= (3, 0):
     with open("README.rst", encoding="utf-8") as rfile:
         long_description = rfile.read()
-else:  # encoding not compatible with python2
+else:  # if encoding not compatible with python2
     with open("README.rst") as rfile:
         long_description = rfile.read()
 
@@ -38,6 +42,8 @@
         "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
+        "Programming Language :: Python :: 3.9",
+        "Programming Language :: Python :: 3.10",
         "Topic :: System :: Networking",
     ],
 )