diff --git a/vertx-auth-shiro/pom.xml b/vertx-auth-shiro/pom.xml
index 9887fd166..1307dff98 100644
--- a/vertx-auth-shiro/pom.xml
+++ b/vertx-auth-shiro/pom.xml
@@ -46,7 +46,7 @@
     <dependency>
       <groupId>org.apache.shiro</groupId>
       <artifactId>shiro-core</artifactId>
-      <version>1.2.4</version>
+      <version>1.9.1</version>
       <exclusions>
         <exclusion>
           <groupId>org.slf4j</groupId>