diff --git a/batch/write-to-xml-file/pom.xml b/batch/write-to-xml-file/pom.xml
index 8268b80..7fe812d 100644
--- a/batch/write-to-xml-file/pom.xml
+++ b/batch/write-to-xml-file/pom.xml
@@ -43,7 +43,7 @@
 		<dependency>
 			<groupId>com.thoughtworks.xstream</groupId>
 			<artifactId>xstream</artifactId>
-			<version>1.4.19</version>
+			<version>1.4.21</version>
 		</dependency>
 
 		<!-- https://mvnrepository.com/artifact/org.springframework/spring-oxm -->