diff --git a/README.md b/README.md
index c71f5e7..2b321f6 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # wareki - ruby 和暦ライブラリ
 
 [<img src="https://badge.fury.io/rb/wareki.svg" alt="Gem Version" />](https://badge.fury.io/rb/wareki)
-[<img src="https://travis-ci.org/sugi/wareki.svg?branch=master" alt="Build Status" />](https://travis-ci.org/sugi/wareki)
+[<img src="https://github.com/sugi/wareki/actions/workflows/ci.yml/badge.svg" alt="Build Status" />](https://github.com/sugi/wareki/actions/workflows/ci.yml)
 [<img src="https://coveralls.io/repos/sugi/wareki/badge.svg?branch=master&service=github" alt="Coverage Status" />](https://coveralls.io/github/sugi/wareki?branch=master)
 [<img src="https://api.codeclimate.com/v1/badges/c9209422700b526d2b45/maintainability" />](https://codeclimate.com/github/sugi/wareki/maintainability)
 [![Codacy Badge](https://app.codacy.com/project/badge/Grade/a5e0b6022b6d485b86a195be7a392da5)](https://app.codacy.com/gh/sugi/wareki/dashboard?utm_source=gh&utm_medium=referral&utm_content=&utm_campaign=Badge_grade)