diff --git a/readme.md b/readme.md
index 8a7264f..007596a 100644
--- a/readme.md
+++ b/readme.md
@@ -1,4 +1,7 @@
 ![](doc/logo/rapidjson.png)
+
+![](https://img.shields.io/badge/release-v1.0.0-blue.png)
+
 ## A fast JSON parser/generator for C++ with both SAX/DOM style API 
 
 Tencent is pleased to support the open source community by making RapidJSON available.
diff --git a/readme.zh-cn.md b/readme.zh-cn.md
index 91ab10d..be3849a 100644
--- a/readme.zh-cn.md
+++ b/readme.zh-cn.md
@@ -1,5 +1,7 @@
 ![](doc/logo/rapidjson.png)
 
+![](https://img.shields.io/badge/release-v1.0.0-blue.png)
+
 Tencent is pleased to support the open source community by making RapidJSON available.
 
 Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.