diff --git a/spring-boot-project/spring-boot-dependencies/pom.xml b/spring-boot-project/spring-boot-dependencies/pom.xml
index 862c192bbe..88c246bf41 100644
--- a/spring-boot-project/spring-boot-dependencies/pom.xml
+++ b/spring-boot-project/spring-boot-dependencies/pom.xml
@@ -121,7 +121,7 @@
 		<narayana.version>5.7.2.Final</narayana.version>
 		<nekohtml.version>1.9.22</nekohtml.version>
 		<neo4j-ogm.version>3.0.3</neo4j-ogm.version>
-		<netty.version>4.1.20.Final</netty.version>
+		<netty.version>4.1.21.Final</netty.version>
 		<nio-multipart-parser.version>1.1.0</nio-multipart-parser.version>
 		<postgresql.version>42.2.1</postgresql.version>
 		<quartz.version>2.3.0</quartz.version>