diff --git a/calvalus-snap/pom.xml b/calvalus-snap/pom.xml
index d4303ce5f..99381bdbc 100644
--- a/calvalus-snap/pom.xml
+++ b/calvalus-snap/pom.xml
@@ -406,7 +406,7 @@
         <dependency>
             <groupId>com.thoughtworks.xstream</groupId>
             <artifactId>xstream</artifactId>
-            <version>1.4.8</version>
+            <version>1.4.19</version>
         </dependency>
         <dependency>
             <groupId>xerces</groupId>