diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4e0b1c0..cd0c4a3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,9 +1,15 @@
 ## Release History
 
 
+### 0.9.8 (2019-12-20)
+
+* stegano is now using poetry;
+* minor improvements to the command line.
+
+
 ### 0.9.7 (2019-10-27)
 
-* fixed markdown of the previous release;
+* fixed markdown of the previous release.
 
 
 ### 0.9.6 (2019-10-27)
diff --git a/bin/stegano-red b/bin/stegano-red
deleted file mode 100644
index da0651a..0000000
--- a/bin/stegano-red
+++ /dev/null
@@ -1,56 +0,0 @@
-#!/usr/bin/env python
-# -*- coding: utf-8 -*-
-
-# Stegano - Stegano is a pure Python steganography module.
-# Copyright (C) 2010-2019 Cédric Bonhomme - https://www.cedricbonhomme.org
-#
-# For more information : https://github.com/cedricbonhomme/Stegano
-#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>
-
-__author__ = "Cedric Bonhomme"
-__version__ = "$Revision: 0.1 $"
-__date__ = "$Date: 2017/02/06 $"
-__license__ = "GPLv3"
-
-try:
-    from stegano import red
-except:
-    print("Install stegano: sudo pip install Stegano")
-
-import argparse
-parser = argparse.ArgumentParser(prog='stegano-red')
-subparsers = parser.add_subparsers(help='sub-command help', dest='command')
-
-parser_hide = subparsers.add_parser('hide', help='hide help')
-parser_hide.add_argument("-i", "--input", dest="input_image_file",
-                help="Image file")
-parser_hide.add_argument("-m", dest="secret_message",
-                help="Your secret message to hide (non binary).")
-parser_hide.add_argument("-o", "--output", dest="output_image_file",
-                help="Image file")
-
-parser_reveal = subparsers.add_parser('reveal', help='reveal help')
-parser_reveal.add_argument("-i", "--input", dest="input_image_file",
-                help="Image file")
-
-arguments = parser.parse_args()
-
-if arguments.command == 'hide':
-    secret = red.hide(arguments.input_image_file, arguments.secret_message)
-    secret.save(arguments.output_image_file)
-
-elif arguments.command == 'reveal':
-    secret = red.reveal(arguments.input_image_file)
-    print(secret)
diff --git a/bin/stegano-steganalysis-parity b/bin/stegano-steganalysis-parity
deleted file mode 100644
index f2f7173..0000000
--- a/bin/stegano-steganalysis-parity
+++ /dev/null
@@ -1,44 +0,0 @@
-#!/usr/bin/env python
-# -*- coding: utf-8 -*-
-
-# Stegano - Stegano is a pure Python steganography module.
-# Copyright (C) 2010-2019 Cédric Bonhomme - https://www.cedricbonhomme.org
-#
-# For more information : https://github.com/cedricbonhomme/Stegano
-#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>
-
-__author__ = "Cedric Bonhomme"
-__version__ = "$Revision: 0.7 $"
-__date__ = "$Date: 2016/08/25 $"
-__license__ = "GPLv3"
-
-try:
-    from stegano.steganalysis import parity
-except:
-    print("Install Stegano: pipx install Stegano")
-
-from PIL import Image
-
-import argparse
-parser = argparse.ArgumentParser(prog='stegano-steganalysis-parity')
-parser.add_argument("-i", "--input", dest="input_image_file",
-                required=True, help="Input image file.")
-parser.add_argument("-o", "--output", dest="output_image_file",
-                required=True, help="Output image file.")
-arguments = parser.parse_args()
-
-input_image_file = Image.open(arguments.input_image_file)
-output_image = parity.steganalyse(input_image_file)
-output_image.save(arguments.output_image_file)
diff --git a/bin/stegano-steganalysis-statistics b/bin/stegano-steganalysis-statistics
deleted file mode 100644
index 2acdf20..0000000
--- a/bin/stegano-steganalysis-statistics
+++ /dev/null
@@ -1,45 +0,0 @@
-#!/usr/bin/env python
-# -*- coding: utf-8 -*-
-
-# Stegano - Stegano is a pure Python steganography module.
-# Copyright (C) 2010-2019 Cédric Bonhomme - https://www.cedricbonhomme.org
-#
-# For more information : https://github.com/cedricbonhomme/Stegano
-#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>
-
-__author__ = "Cédric Bonhomme"
-__version__ = "$Revision: 0.1 $"
-__date__ = "$Date: 2016/08/26 $"
-__revision__ = "$Date: 2016/08/26 $"
-__license__ = "GPLv3"
-
-try:
-    from stegano.steganalysis import statistics
-except:
-    print("Install Stegano: sudo pip install Stegano")
-
-from PIL import Image
-
-import argparse
-parser = argparse.ArgumentParser(prog='stegano-steganalysis-parity')
-parser.add_argument("-i", "--input", dest="input_image_file",
-                help="Image file")
-parser.add_argument("-o", "--output", dest="output_image_file",
-                help="Image file")
-arguments = parser.parse_args()
-
-input_image_file = Image.open(arguments.input_image_file)
-output_image = statistics.steganalyse(input_image_file)
-output_image.save(arguments.output_image_file)
diff --git a/pyproject.toml b/pyproject.toml
index 098902a..dfb8fd6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -6,10 +6,15 @@ authors = [
     "Cédric Bonhomme <cedric@cedricbonhomme.org>"
 ]
 license = "GPL-3.0-or-later"
+
 readme = "README.md"
+
 homepage = "https://git.sr.ht/~cedric/stegano"
 repository = "https://git.sr.ht/~cedric/stegano"
 documentation = "https://stegano.readthedocs.io"
+
+keywords = ["steganography", "security", "stegano"]
+
 classifiers = [
     "Development Status :: 5 - Production/Stable",
     "Environment :: Console",
@@ -21,21 +26,21 @@ classifiers = [
     "Programming Language :: Python :: 3.8",
     "License :: OSI Approved :: GNU General Public License v3 or later (GPLv3+)"
 ]
+
 include = [
     "CHANGELOG.md",
     "COPYING",
     "CHANGELOG.md",
     "docs/**/*",
-    "bin/"
+    "bin/*"
 ]
 
 [tool.poetry.scripts]
 stegano-lsb = "bin.lsb:main"
 stegano-lsb-set = "bin.lsbset:main"
-# stegano-lsb-set = "bin.stegano-lsb-set"
-# stegano-red = "bin.stegano-red"
-# stegano-steganalysis-parity = "bin.stegano-steganalysis-parity"
-# stegano-steganalysis-statistics = "bin.stegano-steganalysis-statistics"
+stegano-red = "bin.red:main"
+stegano-steganalysis-parity = "bin.parity:main"
+stegano-steganalysis-statistics = "bin.statistics:main"
 
 [tool.poetry.dependencies]
 python = "^3.7"
diff --git a/setup.py.back b/setup.py.back
deleted file mode 100644
index 8aab922..0000000
--- a/setup.py.back
+++ /dev/null
@@ -1,61 +0,0 @@
-#!/usr/bin/python
-# -*- coding: utf-8 -*-
-import codecs
-import os
-
-from setuptools import setup
-
-here = os.path.abspath(os.path.dirname(__file__))
-
-packages = [
-    'stegano',
-    'stegano.red',
-    'stegano.exifHeader',
-    'stegano.lsb',
-    'stegano.lsbset',
-    'stegano.steganalysis'
-]
-
-scripts = [
-    'bin/stegano-lsb',
-    'bin/stegano-lsb-set',
-    'bin/stegano-red',
-    'bin/stegano-steganalysis-parity',
-    'bin/stegano-steganalysis-statistics'
-]
-
-requires = ['pillow', 'piexif', 'crayons']
-
-with codecs.open(os.path.join(here, 'README.md'), encoding='utf-8') as f:
-    readme = f.read()
-with codecs.open(os.path.join(here, 'CHANGELOG.md'), encoding='utf-8') as f:
-    changelog = f.read()
-
-setup(
-    name='Stegano',
-    version='0.9.7',
-    author='Cédric Bonhomme',
-    author_email='cedric@cedricbonhomme.org',
-    packages=packages,
-    include_package_data=True,
-    scripts=scripts,
-    url='https://git.sr.ht/~cedric/stegano',
-    description='A pure Python Steganography module.',
-    long_description_content_type='text/markdown',
-    long_description=readme + '\n\n' + changelog,
-    platforms = ['Linux'],
-    license='GPLv3',
-    install_requires=requires,
-    zip_safe=False,
-    classifiers=[
-        'Development Status :: 5 - Production/Stable',
-        'Environment :: Console',
-        'Intended Audience :: Developers',
-        'Intended Audience :: Science/Research',
-        'Topic :: Security',
-        'Operating System :: OS Independent',
-        'Programming Language :: Python :: 3.7',
-        'Programming Language :: Python :: 3.8',
-        'License :: OSI Approved :: GNU General Public License v3 or later (GPLv3+)'
-    ]
-)