diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index 9b225ef..37db63e 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 0.3.0
+current_version = 0.3.1
 commit = True
 tag = True
 
diff --git a/phonopy_vibspec/__init__.py b/phonopy_vibspec/__init__.py
index d3e735a..f2003f4 100644
--- a/phonopy_vibspec/__init__.py
+++ b/phonopy_vibspec/__init__.py
@@ -5,7 +5,7 @@
 import logging
 import os
 
-__version__ = '0.3.0'
+__version__ = '0.3.1'
 __author__ = 'Pierre Beaujean'
 __maintainer__ = 'Pierre Beaujean'
 __email__ = 'pierre.beaujean@unamur.be'