diff --git a/.travis.yml b/.travis.yml
index f00327c..8a86493 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -14,3 +14,7 @@ matrix:
       python: "3.5"
       before_install: pip install cython
       script: python setup.py build_ext
+    - language: python
+      python: "3.6"
+      before_install: pip install cython
+      script: python setup.py build_ext
diff --git a/README.md b/README.md
index ae3df64..96646ab 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,6 @@
 [![Release](https://img.shields.io/badge/Release-v2.1.1-blue.svg?style=flat-square)](https://github.com/lh3/minimap2/releases)
 [![BioConda](https://img.shields.io/conda/vn/bioconda/minimap2.svg?style=flat-square)](https://anaconda.org/bioconda/minimap2)
+[![PyPI](https://img.shields.io/pypi/v/mappy.svg?style=flat-square)](https://pypi.python.org/pypi/mappy)
 [![License](https://img.shields.io/badge/License-MIT-blue.svg?style=flat-square)](LICENSE.txt)
 [![Build Status](https://travis-ci.org/lh3/minimap2.svg?branch=master)](https://travis-ci.org/lh3/minimap2)
 ## Getting Started