diff --git a/projects/repository/pom.xml b/projects/repository/pom.xml
index de412647ff9..4949cff46f8 100644
--- a/projects/repository/pom.xml
+++ b/projects/repository/pom.xml
@@ -185,7 +185,7 @@
         <dependency>
             <groupId>com.thoughtworks.xstream</groupId>
             <artifactId>xstream</artifactId>
-            <version>1.3.1</version>
+            <version>1.4.18</version>
         </dependency>
         <dependency>
             <groupId>com.sun.pdfview</groupId>