diff --git a/spring-boot-project/spring-boot-dependencies/build.gradle b/spring-boot-project/spring-boot-dependencies/build.gradle
index 14741b4de5..a7c2ab5d0f 100644
--- a/spring-boot-project/spring-boot-dependencies/build.gradle
+++ b/spring-boot-project/spring-boot-dependencies/build.gradle
@@ -1002,7 +1002,7 @@ bom {
 			]
 		}
 	}
-	library("Johnzon", "1.2.20") {
+	library("Johnzon", "1.2.21") {
 		group("org.apache.johnzon") {
 			modules = [
 				"johnzon-core",