diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index c136bf22f0851ed6aba7510256804070c2ef23e5..555b58ccd1ffb437d61d471139f13f64a85b667e 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,6 +1,11 @@
 =========
 CHANGELOG
 =========
+- 2.0.1
+    Fix argparse bug preventing -h option to correctly be displayed
+
+    Correct typo
+
 - 2.0.0
     Tested on Python 3.10 et 3.11
     
diff --git a/docs/conf.py b/docs/conf.py
index 094b487216ecf2a68bb3a5c919e031d50ea58c8d..de31be639be0d6b2ec92ff8ce623d9207fd9c785 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -26,7 +26,7 @@ author = 'Nicolas Maillet'
 # The short X.Y version
 version = ''
 # The full version, including alpha/beta/rc tags
-release = '2.0.0'
+release = '2.0.1'
 
 
 # -- General configuration ---------------------------------------------------
diff --git a/rpg/RapidPeptidesGenerator.py b/rpg/RapidPeptidesGenerator.py
index ed55f343e952d513edc58c46fda046af3135dbcc..3c12518439227820fe15aa98b99d4e28dbcc44f7 100644
--- a/rpg/RapidPeptidesGenerator.py
+++ b/rpg/RapidPeptidesGenerator.py
@@ -29,9 +29,9 @@
 necessary functions
 """
 
-__version_info__ = ('2', '0', '0')
+__version_info__ = ('2', '0', '1')
 __version__ = '.'.join(__version_info__)
-__revision_date__ = "2023-02-22"
+__revision_date__ = "2023-03-14"
 __author__ = "Nicolas Maillet"
 
 import argparse
diff --git a/setup.py b/setup.py
index 38039248423beb2aa6272c4833676ba441cde72c..ab7f08da9c7e1e30bea645c4dd63e5dce17cc4eb 100644
--- a/setup.py
+++ b/setup.py
@@ -36,7 +36,7 @@ setup(
     # For a discussion on single-sourcing the version across setup.py and the
     # project code, see
     # https://packaging.python.org/en/latest/single_source_version.html
-    version='2.0.0',  # Required
+    version='2.0.1',  # Required
 
     # This is a one-line description or tagline of what your project does. This
     # corresponds to the "Summary" metadata field: