diff --git a/openbis/build/build.xml b/openbis/build/build.xml
index cf61078d2069cfa8313a9a77d1691f393a66117d..8ffb6d4b7b685db1871c81db622ec98ec47a61e1 100644
--- a/openbis/build/build.xml
+++ b/openbis/build/build.xml
@@ -745,6 +745,15 @@
       <lib dir="${lib}/jython">
         <include name="jython.jar" />
       </lib>
+      <fileset dir="${lib}/jsonrpc4j">
+        <include name="jsonrpc4j.jar" />
+      </fileset>
+      <fileset dir="${lib}/jackson">
+        <include name="jackson-core-asl.jar" />
+      </fileset>
+      <fileset dir="${lib}/jackson">
+        <include name="jackson-mapper-asl.jar" />
+      </fileset>
     </war>
     <!-- Does some cleaning. -->
     <delete file="${jar.file}" failonerror="true" />