diff --git a/.travis.yml b/.travis.yml
index 55317a9..6e4d88f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -14,6 +14,7 @@ cache:
 branches:
   only:
     - master
+    - /^greenkeeper/.*$/
 
 install:
   - npm install
diff --git a/README.md b/README.md
index 867f502..6bab700 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,7 @@
 # eslint-plugin-class-methods-use-this-regexp
 
+[![Greenkeeper badge](https://badges.greenkeeper.io/teryaew/eslint-plugin-class-methods-use-this-regexp.svg)](https://greenkeeper.io/)
+
 [![build status][travis-image]][travis-url]
 [![test coverage][coveralls-image]][coveralls-url]
 [![npm][npm-image]][npm-url]