diff --git a/de.prob.core/.classpath b/de.prob.core/.classpath
index fe71fa1cb8cffd44ab6afdc6367320638b220149..60dc2e91f4f2f1b45d8b31cc5fd74f1f2ef31a28 100644
--- a/de.prob.core/.classpath
+++ b/de.prob.core/.classpath
@@ -19,5 +19,5 @@
 	<classpathentry exported="true" kind="lib" path="lib/dependencies/unicode-2.4.30-SNAPSHOT.jar"/>
 	<classpathentry exported="true" kind="lib" path="lib/dependencies/xmlpull-1.1.3.1.jar"/>
 	<classpathentry exported="true" kind="lib" path="lib/dependencies/xpp3_min-1.1.4c.jar"/>
-	<classpathentry exported="true" kind="lib" path="lib/dependencies/xstream-1.4.3.jar"/>
+	<classpathentry exported="true" kind="lib" path="lib/dependencies/xstream-1.4.7.jar"/>
 </classpath>
diff --git a/de.prob.core/META-INF/MANIFEST.MF b/de.prob.core/META-INF/MANIFEST.MF
index 0e377992b1727e1d083259550a352bfee7f748a7..2a7eed240bd98a7b08a22effada8b4972a2ca7d4 100644
--- a/de.prob.core/META-INF/MANIFEST.MF
+++ b/de.prob.core/META-INF/MANIFEST.MF
@@ -120,6 +120,7 @@ Bundle-Activator: de.prob.core.internal.Activator
 Eclipse-BuddyPolicy: registered
 Bundle-RequiredExecutionEnvironment: JavaSE-1.6
 Bundle-ClassPath: .,
+ lib/dependencies/xstream-1.4.7.jar,
  lib/dependencies/unicode-2.4.30-SNAPSHOT.jar,
  lib/dependencies/theorymapping-2.4.30-SNAPSHOT.jar,
  lib/dependencies/prologlib-2.4.30-SNAPSHOT.jar,