diff --git a/README.md b/README.md
index 42bc70f..06c41eb 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
 
 ![Build Status](https://github.com/kojix2/youplot/workflows/test/badge.svg)
 [![Gem Version](https://badge.fury.io/rb/youplot.svg)](https://badge.fury.io/rb/youplot)
-[![Docs Latest](https://img.shields.io/badge/docs-latest-blue.svg)](https://rubydoc.info/gems/youplot)
+[![Docs Stable](https://img.shields.io/badge/docs-stable-blue.svg)](https://rubydoc.info/gems/youplot)
 [![The MIT License](https://img.shields.io/badge/license-MIT-blue.svg)](LICENSE.txt)
 [![DOI](https://zenodo.org/badge/283230219.svg)](https://zenodo.org/badge/latestdoi/283230219)