diff --git a/docs-src/views/demos/TypeAhead.vue b/docs-src/views/demos/TypeAhead.vue
index e0176f7..74d16ff 100644
--- a/docs-src/views/demos/TypeAhead.vue
+++ b/docs-src/views/demos/TypeAhead.vue
@@ -65,7 +65,7 @@ export default {
       if (!releases || !(releases instanceof Array)) return false
 
       this.versions = this.versions.concat(releases.map(
-        r => ({ value: /^v/.test(r.tag_name) ? r.tag_name.substr(1) : r.tag_name })
+        r => ({ value: /^v/.test(r.tag_name) ? r.tag_name.slice(1) : r.tag_name })
       ))
 
       const link = response.headers.get('Link')