diff --git a/versions.json b/versions.json
index 9463f3b6c..52e325934 100644
--- a/versions.json
+++ b/versions.json
@@ -102,7 +102,7 @@
             "npmName": "@vaadin/field-highlighter"
         },
         "flow": {
-            "javaVersion": "24.3.20"
+            "javaVersion": "24.3.21"
         },
         "flow-cdi": {
             "javaVersion": "15.0.1"