diff --git a/proposal/myrmidon/src/manifest/core-ant-descriptor.template b/proposal/myrmidon/src/manifest/core-ant-descriptor.template
index 4778d6fbb..54a1a7a17 100644
--- a/proposal/myrmidon/src/manifest/core-ant-descriptor.template
+++ b/proposal/myrmidon/src/manifest/core-ant-descriptor.template
@@ -1,4 +1,4 @@
-<ant-lib>
+<ant-lib version="1.0">
 
   <types>