diff --git a/pom.xml b/pom.xml
index d09c808..dfa6e1b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -47,7 +47,7 @@
         <dependency>
             <groupId>com.thoughtworks.xstream</groupId>
             <artifactId>xstream</artifactId>
-            <version>1.4.11</version>
+            <version>1.4.15</version>
         </dependency>
         <dependency>
             <groupId>org.apache.spark</groupId>