diff --git a/pom.xml b/pom.xml
index 0fa7df8d24..d5e60a998c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -117,6 +117,7 @@
1.5.2
5.0.3.Final
30.1-jre
+ 1.4.20
9.0.5.Final
@@ -286,6 +287,11 @@
+
+ com.thoughtworks.xstream
+ xstream
+ ${xstream.version}
+
org.yaml
snakeyaml