diff --git a/query-side-blog-service/pom.xml b/query-side-blog-service/pom.xml
index 4a32dac..4ffaf0a 100644
--- a/query-side-blog-service/pom.xml
+++ b/query-side-blog-service/pom.xml
@@ -108,7 +108,7 @@
 		<dependency>
 			<groupId>com.thoughtworks.xstream</groupId>
 			<artifactId>xstream</artifactId>
-			<version>1.4.9</version>
+			<version>1.4.19</version>
 		</dependency>
 
 	</dependencies>