diff --git a/README.md b/README.md
index 879a7e3..bfcbf06 100644
--- a/README.md
+++ b/README.md
@@ -140,8 +140,8 @@ See [CHANGELOG.md](CHANGELOG.md).
 [link-verify-ubuntu-1804]: https://github.com/shimataro/ssh-key-action/actions?query=workflow%3A%22Ubuntu+18.04%22
 [image-verify-ubuntu-1604]: https://github.com/shimataro/ssh-key-action/workflows/Ubuntu%2016.04/badge.svg?event=push&branch=v2
 [link-verify-ubuntu-1604]: https://github.com/shimataro/ssh-key-action/actions?query=workflow%3A%22Ubuntu+16.04%22
-[image-verify-docker-container]: https://github.com/shimataro/ssh-key-action/workflows/Docker%20container%20on%20Ubuntu%2020.04/badge.svg?event=push&branch=v2
-[link-verify-docker-container]: https://github.com/shimataro/ssh-key-action/actions?query=workflow%3A%22Docker+container+on+Ubuntu+20.04%22
+[image-verify-docker-container]: https://github.com/shimataro/ssh-key-action/workflows/Docker%20container/badge.svg?event=push&branch=v2
+[link-verify-docker-container]: https://github.com/shimataro/ssh-key-action/actions?query=workflow%3A%22Docker+container%22
 [image-release]: https://img.shields.io/github/release/shimataro/ssh-key-action.svg
 [link-release]: https://github.com/shimataro/ssh-key-action/releases
 [image-license]: https://img.shields.io/github/license/shimataro/ssh-key-action.svg