diff --git a/jettison.yaml b/jettison.yaml
index 839245b..e6c4762 100644
--- a/jettison.yaml
+++ b/jettison.yaml
@@ -1,5 +1,5 @@
 git_url: https://github.com/codehaus/jettison
 version_control: github
 src_repo: codehaus/jettison
-tag_prefix: "jettison-"
+tag_prefix: "^jettison-"
 seperator: "."