diff --git a/frontend/demo/upgrade-tool/upgrade-tool.ts b/frontend/demo/upgrade-tool/upgrade-tool.ts
index be8f69ff9e..866ff27f43 100644
--- a/frontend/demo/upgrade-tool/upgrade-tool.ts
+++ b/frontend/demo/upgrade-tool/upgrade-tool.ts
@@ -23,7 +23,7 @@ const VAADIN_VERSIONS: Record<string, string> = {
   20: '20.0.8',
   21: '21.0.9',
   22: '22.0.28',
-  23: '23.6.11',
+  23: '23.6.12',
 };
 
 const SIMPLE_VERSIONS = Object.keys(VAADIN_VERSIONS);