diff --git a/docs/index-ref.json b/docs/index-ref.json
index 61cad53e..b3bcf3a3 100644
--- a/docs/index-ref.json
+++ b/docs/index-ref.json
@@ -1,3 +1,3 @@
 {
-    "appref": "v0.5.9"
+    "appref": "v0.5.21"
 }