diff --git a/trunk/pom.xml b/trunk/pom.xml
index 6773710d..9bf6f3b5 100644
--- a/trunk/pom.xml
+++ b/trunk/pom.xml
@@ -170,7 +170,7 @@
         <dependency>
             <groupId>org.apache.shiro</groupId>
             <artifactId>shiro-core</artifactId>
-            <version>1.4.0</version>
+            <version>1.9.1</version>
         </dependency>
         <dependency>
             <groupId>org.apache.shiro</groupId>