diff --git a/index.js b/index.js
index 0579283..765d042 100644
--- a/index.js
+++ b/index.js
@@ -11,7 +11,7 @@ async function getMostRecentRepoTag() {
 
   const { data: refs } = await octokit.git.listMatchingRefs({
     ...github.context.repo,
-    namespace: 'tags/'
+    ref: 'tags/'
   })
 
   const prx = new RegExp(`^${prefix}`,'g');