diff --git a/core/pom.xml b/core/pom.xml
index 625516a424662b45057b0fe9d4080dbfaea6eb9c..03d5c103368f847f425af74964ca8435e2c8fdb4 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -133,7 +133,7 @@
       <version>2.7.6</version>
     </dependency>
     <dependency>
-      <groupId>xstream</groupId>
+      <groupId>com.thoughtworks.xstream</groupId>
       <artifactId>xstream</artifactId>
       <version>1.2.1</version>
     </dependency>