diff --git a/spring-boot-redis-demo/pom.xml b/spring-boot-redis-demo/pom.xml
index c675ad5..bfdc9c8 100644
--- a/spring-boot-redis-demo/pom.xml
+++ b/spring-boot-redis-demo/pom.xml
@@ -134,7 +134,7 @@
 		<dependency>
 			<groupId>com.thoughtworks.xstream</groupId>
 			<artifactId>xstream</artifactId>
-			<version>1.4.9</version>
+			<version>1.4.18</version>
 		</dependency>
 		<dependency>
 			<groupId>net.sf.json-lib</groupId>