diff --git a/spring-boot-study-xmldom4j/pom.xml b/spring-boot-study-xmldom4j/pom.xml
index 1581c46..1e1b7d8 100644
--- a/spring-boot-study-xmldom4j/pom.xml
+++ b/spring-boot-study-xmldom4j/pom.xml
@@ -39,7 +39,7 @@
         <dependency>
             <groupId>com.thoughtworks.xstream</groupId>
             <artifactId>xstream</artifactId>
-            <version>1.4.11.1</version>
+            <version>1.4.19</version>
         </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>