diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index e6d68ab..54eb9f3 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -9,14 +9,16 @@
 - Solved side-channel vulnerability by implementing blinding, fixes #19
 - Deprecated the VARBLOCK format and rsa.bigfile module due to security issues, see
     https://github.com/sybrenstuvel/python-rsa/issues/13
-- Integration with Travis-CI [1] and Code Climate [2]
+- Integration with Travis-CI [1], Coveralls [2] and Code Climate [3]
 - Deprecated the old rsa._version133 and rsa._version200 submodules, they will be
   completely removed in version 4.0.
 - Add an 'exponent' argument to key.newkeys()
 - Fixed bugs #12, #14, #27, #30
 
 [1] https://travis-ci.org/sybrenstuvel/python-rsa
-[2] https://codeclimate.com/github/sybrenstuvel/python-rsa
+[2] https://coveralls.io/github/sybrenstuvel/python-rsa
+[3] https://codeclimate.com/github/sybrenstuvel/python-rsa
+
 
 Version 3.3 - released 2016-01-13
 ----------------------------------------
diff --git a/README.md b/README.md
index 5539f3d..89c5ed6 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,8 @@
 [![PyPI](https://img.shields.io/pypi/v/rsa.svg)](https://pypi.python.org/pypi/rsa)
 [![Build Status](https://travis-ci.org/sybrenstuvel/python-rsa.svg?branch=master)]
     (https://travis-ci.org/sybrenstuvel/python-rsa)
+[![Coverage Status](https://coveralls.io/repos/github/sybrenstuvel/python-rsa/badge.svg?branch=master)]
+    (https://coveralls.io/github/sybrenstuvel/python-rsa?branch=master)
 [![Code Climate](https://img.shields.io/codeclimate/github/sybrenstuvel/python-rsa.svg)]
     (https://codeclimate.com/github/sybrenstuvel/python-rsa)