diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 49fb93b1a8bd62b42033ca4f3c46f4c7b94b466c..b1216fefa7ef0b525d21ba2027fc793369e144ae 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,6 +1,11 @@
 =========
 CHANGELOG
 =========
+- 1.0.3
+    Support of Python 3.7
+
+    Does not support Python 3.4
+
 - 1.0.2
     Correct minor but funny typo
 
diff --git a/README.rst b/README.rst
index e26d4343c289d6b9a868711d70d6942e50c21237..59fabcbf8290246ec7b32516def670cf9cb412c4 100644
--- a/README.rst
+++ b/README.rst
@@ -19,7 +19,7 @@ Rapid Peptides Generator (RPG) is a software dedicated to predict proteases-indu
     :target: http://rapid-peptide-generator.readthedocs.io/en/latest/?badge=latest
     :alt: Documentation Status
 
-:note: RPG is tested with Gitlab Ci for the following Python version: 3.4 to 3.7
+:note: RPG is tested with Gitlab Ci for the following Python version: 3.5, 3.6 and 3.7
 :issues: Please use https://gitlab.pasteur.fr/nmaillet/rpg
 
 
diff --git a/docs/conf.py b/docs/conf.py
index 7813cb72211909ce0cde18b938ea448520c8404a..ecde8a44c8a65e15bd913798e01e3d64eb530790 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 = '1.0.2'
+release = '1.0.3'
 
 
 # -- General configuration ---------------------------------------------------
diff --git a/setup.py b/setup.py
index c2f1faae7e5bad47f8b8ae9d61ca6f53897e64e2..12d9e61dd6d44e8295cab2a5b2439bd9db488357 100644
--- a/setup.py
+++ b/setup.py
@@ -4,7 +4,7 @@ from setuptools import setup, find_packages
 
 _MAJOR = 1
 _MINOR = 0
-_MICRO = 2
+_MICRO = 3
 version = '%d.%d.%d' % (_MAJOR, _MINOR, _MICRO)
 release = '%d.%d' % (_MAJOR, _MINOR)
 
@@ -22,7 +22,6 @@ metainfo = {
         'Intended Audience :: Science/Research',
         'License :: OSI Approved :: GNU General Public License v3 or later (GPLv3+)',
         'Operating System :: OS Independent',
-        'Programming Language :: Python :: 3.4',
         'Programming Language :: Python :: 3.5',
         'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: 3.7',