diff --git a/build.xml b/build.xml
index 8ebcd99dd5..0ad1c4dc6d 100644
--- a/build.xml
+++ b/build.xml
@@ -690,6 +690,7 @@ under the License.
                 <include name="bc*-1.65.jar"/>
                 <include name="bc*-1.66.jar"/>
                 <include name="batik*.jar"/>
+                <include name="xmlsec*-2.2.1.jar"/>
             </fileset>
             <fileset dir="${basedir}/lib/ooxml-tests">
                 <include name="guava-20.0.jar"/>