diff --git a/melusine/__init__.py b/melusine/__init__.py
index 1dccb884..e28a3e70 100644
--- a/melusine/__init__.py
+++ b/melusine/__init__.py
@@ -2,4 +2,4 @@
 
 __author__ = """Sacha Samama & Tom Stringer & Hugo Perrier"""
 __email__ = "ssamama@quantmetry.com, tstringer@quantmetry.com, hperrier@quantmetry.com"
-__version__ = "2.3.0"
+__version__ = "2.3.1"
diff --git a/setup.cfg b/setup.cfg
index 68084c62..55b4995e 100755
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 2.3.0
+current_version = 2.3.1
 commit = True
 tag = True
 
diff --git a/setup.py b/setup.py
index 0c4c6ca5..523d04ae 100755
--- a/setup.py
+++ b/setup.py
@@ -100,6 +100,6 @@
     tests_require=test_requirements,
     extras_require=extras_require,
     url="https://github.com/MAIF/melusine",
-    version="2.3.0",
+    version="2.3.1",
     zip_safe=False,
 )