Update readme.md

mini-lee-tpi · web-flow · commit 82920a08c7f9 · 2025-06-03T12:21:08.000+08:00
diff --git a/readme.md b/readme.md
@@ -188,7 +188,7 @@ spec:
 
 ### Pre-requisites
 
-- OpenJDK 17+
+- OpenJDK 21
 
 ---
 
