diff --git a/backend/pom.xml b/backend/pom.xml
index d60566921a..f707f84410 100644
--- a/backend/pom.xml
+++ b/backend/pom.xml
@@ -175,7 +175,7 @@
         <dependency>
             <groupId>com.thoughtworks.xstream</groupId>
             <artifactId>xstream</artifactId>
-            <version>1.4.17</version>
+            <version>1.4.18</version>
         </dependency>
 
         <dependency>