diff --git a/.travis.yml b/.travis.yml
index 419c6afb4..d4f14f30b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,25 +1,11 @@
 language: python
 
-env:
-  matrix:
-    - python: 2.7
-      env: TOXENV=py27
-    - python: 3.3
-      env: TOXENV=py33
-    - python: 3.4
-      env: TOXENV=py34
-    - python: 3.5
-      env: TOXENV=py35
-    - python: 3.5
-      env: TOXENV=py35-flake8-src
-    - python: 3.5
-      env: TOXENV=py35-flake8-tests
-  fast_finish: true
-  allow_failures:
-    - env: TOXENV=py35-flake8-src
-    - env: TOXENV=py35-flake8-tests
+python:
+  - "2.7"
+  - "3.3"
+  - "3.4"
+  - "3.5"
 
-install:
-  - pip install
+install: pip install tox-travis
 
 script: tox
diff --git a/README.md b/README.md
index 82f4854f5..fb629b2ac 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,7 @@
 # line-bot-sdk-python
 
+[![Build Status](https://travis-ci.org/line/line-bot-sdk-python.svg?branch=master)](https://travis-ci.org/line/line-bot-sdk-python)
+
 SDK of the LINE Messaging API for Python.
 
 ## About LINE Messaging API