diff --git a/modules/core/pom.xml b/modules/core/pom.xml
index ca726e259..e46e7ca26 100644
--- a/modules/core/pom.xml
+++ b/modules/core/pom.xml
@@ -19,7 +19,7 @@
         <dependency>
             <groupId>com.thoughtworks.xstream</groupId>
             <artifactId>xstream</artifactId>
-            <version>1.4.12</version>
+            <version>1.4.18</version>
             <exclusions>
                 <exclusion>
                     <groupId>xpp3</groupId>