diff --git a/README.md b/README.md
index d5a47ba7..b2b48e20 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,7 @@
 [![Build Status](https://github.com/shssoichiro/oxipng/workflows/oxipng/badge.svg)](https://github.com/shssoichiro/oxipng/actions?query=branch%3Amaster)
 [![Version](https://img.shields.io/crates/v/oxipng.svg)](https://crates.io/crates/oxipng)
 [![License](https://img.shields.io/crates/l/oxipng.svg)](https://github.com/shssoichiro/oxipng/blob/master/LICENSE)
+[![Docs](https://docs.rs/oxipng/badge.svg)](https://docs.rs/oxipng)
 
 ## Overview
 
diff --git a/README.template.md b/README.template.md
index c6db69eb..773e0a76 100644
--- a/README.template.md
+++ b/README.template.md
@@ -3,6 +3,7 @@
 [![Build Status](https://github.com/shssoichiro/oxipng/workflows/oxipng/badge.svg)](https://github.com/shssoichiro/oxipng/actions?query=branch%3Amaster)
 [![Version](https://img.shields.io/crates/v/oxipng.svg)](https://crates.io/crates/oxipng)
 [![License](https://img.shields.io/crates/l/oxipng.svg)](https://github.com/shssoichiro/oxipng/blob/master/LICENSE)
+[![Docs](https://docs.rs/oxipng/badge.svg)](https://docs.rs/oxipng)
 
 ## Overview