diff --git a/pom.xml b/pom.xml
index 04611c5..11eb9c9 100644
--- a/pom.xml
+++ b/pom.xml
@@ -21,7 +21,7 @@
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <java.version>1.8</java.version>
-        <shiro.version>1.7.1</shiro.version>
+        <shiro.version>1.9.1</shiro.version>
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
     </properties>