diff --git a/readme.md b/readme.md
index 2db4735..696cb7e 100644
--- a/readme.md
+++ b/readme.md
@@ -39,7 +39,7 @@
 <dependency>
     <groupId>cloud.tianai.captcha</groupId>
     <artifactId>tianai-captcha</artifactId>
-    <version>1.5.1</version>
+    <version>1.5.2</version>
 </dependency>
 ```