diff --git a/FrejaEidClient/pom.xml b/FrejaEidClient/pom.xml
index d0e1c8e..8fc0878 100644
--- a/FrejaEidClient/pom.xml
+++ b/FrejaEidClient/pom.xml
@@ -216,7 +216,7 @@
                     <dependency>
                         <groupId>com.thoughtworks.xstream</groupId>
                         <artifactId>xstream</artifactId>
-                        <version>1.4.15</version>
+                        <version>1.4.21</version>
                     </dependency>
                 </dependencies> 
             </plugin>