diff --git a/readme.md b/readme.md
index da0e732..b2ef9bc 100644
--- a/readme.md
+++ b/readme.md
@@ -16,7 +16,7 @@
     <dependency>
         <groupId>cloud.tianai.captcha</groupId>
         <artifactId>tianai-captcha</artifactId>
-        <version>1.2</version>
+        <version>1.2.2</version>
     </dependency>
 ```
 2. 使用 `SliderCaptchaTemplate`获取滑块验证码