diff --git a/winixd/html/index_head_adder.html b/winixd/html/index_head_adder.html
index 3b8777b..04ded3d 100644
--- a/winixd/html/index_head_adder.html
+++ b/winixd/html/index_head_adder.html
@@ -9,7 +9,7 @@
 [def? winix_set_viewport true]
 
 [def? winix_load_uikit true]
-[def? winix_uikit_version "3.16.19"] [# "3.16.19-scope" ]
+[def? winix_uikit_version "3.16.21"] [# "3.16.21-scope" ]
 
 [def? winix_load_htmx true]