diff --git a/pom.xml b/pom.xml
index 11815d3d4..2ea0f4b3d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -20,7 +20,7 @@
         <shiro.version>1.7.0</shiro.version>
         <thymeleaf.extras.shiro.version>2.0.0</thymeleaf.extras.shiro.version>
         <druid.version>1.2.2</druid.version>
-        <bitwalker.version>1.19</bitwalker.version>
+        <bitwalker.version>1.21</bitwalker.version>
         <kaptcha.version>2.3.2</kaptcha.version>
         <swagger.version>2.9.2</swagger.version>
         <pagehelper.boot.version>1.3.0</pagehelper.boot.version>