diff --git a/releases/spring-framework.json b/releases/spring-framework.json
index f08348e3..7f080f5c 100644
--- a/releases/spring-framework.json
+++ b/releases/spring-framework.json
@@ -171,6 +171,7 @@
   "5.3.19": "2022-04-13",
   "5.3.2": "2020-12-09",
   "5.3.20": "2022-05-11",
+  "5.3.21": "2022-06-15",
   "5.3.3": "2021-01-12",
   "5.3.4": "2021-02-16",
   "5.3.5": "2021-03-16",