diff --git a/pom.xml b/pom.xml
index ca3fa22..2a780f9 100644
--- a/pom.xml
+++ b/pom.xml
@@ -280,22 +280,22 @@
             <dependency>
                 <groupId>org.apache.shiro</groupId>
                 <artifactId>shiro-core</artifactId>
-                <version>1.8.0</version>
+                <version>1.9.1</version>
             </dependency>
             <dependency>
                 <groupId>org.apache.shiro</groupId>
                 <artifactId>shiro-web</artifactId>
-                <version>1.8.0</version>
+                <version>1.9.1</version>
             </dependency>
             <dependency>
                 <groupId>org.apache.shiro</groupId>
                 <artifactId>shiro-spring</artifactId>
-                <version>1.8.0</version>
+                <version>1.9.1</version>
             </dependency>
             <dependency>
                 <groupId>org.apache.shiro</groupId>
                 <artifactId>shiro-ehcache</artifactId>
-                <version>1.8.0</version>
+                <version>1.9.1</version>
             </dependency>
 
             <!-- json -->