diff --git a/build.xml b/build.xml
index e50f7cae..a21113f6 100644
--- a/build.xml
+++ b/build.xml
@@ -4064,6 +4064,7 @@
         <fileset file="${artifacts.mps}/lib/mps-collections.jar" />
         <fileset file="${artifacts.mps}/lib/mps-references.jar" />
         <fileset file="${artifacts.mps}/lib/app.jar" />
+        <fileset file="${artifacts.mps}/lib/util-8.jar" />
         <fileset file="${artifacts.mps}/lib/app-client.jar" />
         <fileset file="${artifacts.mps}/lib/lib.jar" />
         <fileset file="${artifacts.mps}/lib/lib-client.jar" />