diff --git a/readme.md b/readme.md
index 7a45540..f557f75 100644
--- a/readme.md
+++ b/readme.md
@@ -1,4 +1,4 @@
-[![Build Status](https://travis-ci.org/herumi/mcl.png)](https://travis-ci.org/herumi/mcl)
+[![Build Status](https://api.travis-ci.com/herumi/mcl.svg?branch=master)](https://travis-ci.com/github/herumi/mcl)
 
 # mcl