diff --git a/_forks/spark-scala-examples/pom.xml b/_forks/spark-scala-examples/pom.xml
index 6a4472c..fe067f7 100644
--- a/_forks/spark-scala-examples/pom.xml
+++ b/_forks/spark-scala-examples/pom.xml
@@ -48,7 +48,7 @@
         <dependency>
             <groupId>com.thoughtworks.xstream</groupId>
             <artifactId>xstream</artifactId>
-            <version>1.4.15</version>
+            <version>1.4.19</version>
         </dependency>
         <dependency>
             <groupId>org.apache.spark</groupId>