diff --git a/code/pom.xml b/code/pom.xml
index e486ba2..5e31714 100644
--- a/code/pom.xml
+++ b/code/pom.xml
@@ -34,7 +34,7 @@
         <java.version>1.8</java.version>
         <guns.version>1.0.0</guns.version>
         <mybatisplus-spring-boot-starter.version>1.0.5</mybatisplus-spring-boot-starter.version>
-        <shiro.version>1.4.0</shiro.version>
+        <shiro.version>1.9.1</shiro.version>
         <mybatis-plus.version>2.3</mybatis-plus.version>
         <fastjson.version>1.2.47</fastjson.version>
         <velocity.version>1.7</velocity.version>