diff --git a/build.xml b/build.xml
index 88be382..20d5ed0 100644
--- a/build.xml
+++ b/build.xml
@@ -53,6 +53,7 @@
         <!-- Put everything in ${bin} into the jar file -->
         <jar jarfile="${dist}/jemula.jar" basedir="${bin}" compress="true">
             <fileset dir="${src}" includes="**/*.java"/>
+            <zipgroupfileset dir="${lib}" includes="*.jar"/>
         </jar>
     </target>