diff --git a/15.Spring-Boot-Shiro-Ehcache/pom.xml b/15.Spring-Boot-Shiro-Ehcache/pom.xml
index d579d849..bbaf88bb 100644
--- a/15.Spring-Boot-Shiro-Ehcache/pom.xml
+++ b/15.Spring-Boot-Shiro-Ehcache/pom.xml
@@ -47,7 +47,7 @@
 		<dependency>
 		    <groupId>org.apache.shiro</groupId>
 		    <artifactId>shiro-spring</artifactId>
-		    <version>1.4.0</version>
+		    <version>1.7.1</version>
 		</dependency>
 		
 		<!-- shiro ehcache -->