diff --git a/README.rst b/README.rst
index 7023a4a..2053920 100644
--- a/README.rst
+++ b/README.rst
@@ -4,6 +4,9 @@ dN/dS Calculator
 .. image:: https://travis-ci.org/adelq/dnds.svg?branch=master
    :target: https://travis-ci.org/adelq/dnds
 
+.. image:: https://img.shields.io/pypi/v/dnds.svg?maxAge=2592000?style=plastic
+    :target: https://pypi.python.org/pypi/dnds
+
 Calculate dN/dS ratio precisely (Ka/Ks) using a codon-by-codon counting
 method.