diff --git a/build.xml b/build.xml
index d794938d6c2791d0d8189ee423e9aa303f019220..3dd3e51e3e2fc89d986276125c90fbe3b36557fc 100644
--- a/build.xml
+++ b/build.xml
@@ -127,11 +127,27 @@ POSSIBILITY OF SUCH DAMAGE.
         <copy file="${open-dis7-java.relative}/open-dis7-pdus-javadoc.jar"         todir="lib" force="true" verbose="true" failonerror="true"/>
         <copy file="${open-dis7-java.relative}/open-dis7-pdus-source.jar"          todir="lib" force="true" verbose="true" failonerror="true"/>
     </target>
-    
-    <target name="update.open-dis7.jar.gitlab" description="update open-dis7.jar in project lib directory">
-        <!-- TODO retrieve from online archive, perhaps   -->
+
+    <property name="gitlab.nps.edu.MV3500.lib" value="https://gitlab.nps.edu/Savage/NetworkedGraphicsMV3500/-/tree/master/lib"/>
+
+    <target name="update.open-dis7.jar.gitlab" description="Update local open-dis7 .jar files in project lib directory">
+        <echo message="Update local open-dis7 .jar files in project lib directory using"/>
+        <echo message="  ${gitlab.nps.edu.MV3500.lib}"/>
+        <nbbrowse url="${gitlab.nps.edu.MV3500.lib}"/>
+        <get src="https://gitlab.nps.edu/Savage/NetworkedGraphicsMV3500/-/raw/master/lib/open-dis7-pdus-classes.jar"
+             dest="lib" verbose="true" usetimestamp="true"/>
+        <get src="https://gitlab.nps.edu/Savage/NetworkedGraphicsMV3500/-/raw/master/lib/open-dis7-enumerations-classes.jar"
+             dest="lib" verbose="true" usetimestamp="true"/>
+        <get src="https://gitlab.nps.edu/Savage/NetworkedGraphicsMV3500/-/raw/master/lib/open-dis7-pdus-source.jar"
+             dest="lib" verbose="true" usetimestamp="true"/>
+        <get src="https://gitlab.nps.edu/Savage/NetworkedGraphicsMV3500/-/raw/master/lib/open-dis7-enumerations-source.jar"
+             dest="lib" verbose="true" usetimestamp="true"/>
+        <get src="https://gitlab.nps.edu/Savage/NetworkedGraphicsMV3500/-/raw/master/lib/open-dis7-pdus-javadoc.jar"
+             dest="lib" verbose="true" usetimestamp="true"/>
+        <get src="https://gitlab.nps.edu/Savage/NetworkedGraphicsMV3500/-/raw/master/lib/open-dis7-enumerations-javadoc.jar"
+             dest="lib" verbose="true" usetimestamp="true"/>
     </target>
-    
+ 
     <target name="update.open-dis7.jar.maven" description="update open-dis7.jar in project lib directory">
         <!-- TODO retrieve from Maven published repository once available -->
     </target>