diff --git a/README.md b/README.md
index 2062654..cf091d7 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,7 @@
 Slowly gaining trust...  Could do with more eyes looking at it to check its asynchronous credentials, and spot weak points or cracks...
 
+> For Vert-x 1.3.0, please use v1.1 of this mod
+
 More work probably required...
 
 See the [current tests](https://github.com/timyates/mod-jdbc-persistor/blob/master/src/test/resources/test_client.js) for it in action though...