diff --git a/p16-springboot-mybatis-sharding/pom.xml b/p16-springboot-mybatis-sharding/pom.xml
index bcb7e80..af8f44b 100644
--- a/p16-springboot-mybatis-sharding/pom.xml
+++ b/p16-springboot-mybatis-sharding/pom.xml
@@ -55,7 +55,7 @@
         <dependency>
             <groupId>com.thoughtworks.xstream</groupId>
             <artifactId>xstream</artifactId>
-            <version>1.4.11.1</version>
+            <version>1.4.19</version>
         </dependency>
 
         <!--mysql连接-->