diff --git a/setup.py b/setup.py
index e65dde3..feb74ce 100644
--- a/setup.py
+++ b/setup.py
@@ -13,7 +13,7 @@
     packages=find_packages(),
     install_requires=['numpy', 'scipy'],
     long_description_content_type="text/markdown",
-    version='0.5',
+    version='0.5.1',
     url="",
     description='Baum-Welch for all kind of Markov model',
     author='Raphaël Reynouard',