diff --git a/proposal/myrmidon/build.xml b/proposal/myrmidon/build.xml
index 2c4e1df26..6f7438c7d 100644
--- a/proposal/myrmidon/build.xml
+++ b/proposal/myrmidon/build.xml
@@ -437,4 +437,9 @@ Legal:
     </delete>
   </target>
 
+  <target name="rebuild">
+    <antcall target="clean"/>
+    <antcall target="main"/>
+  </target>
+
 </project>