diff --git a/build.gradle b/build.gradle
index 57af5b5d842..4903d829ee8 100644
--- a/build.gradle
+++ b/build.gradle
@@ -52,7 +52,7 @@ configure(allprojects) { project ->
 	ext.junitVintageVersion  = "5.1.1"
 	ext.kotlinVersion        = "1.2.31"
 	ext.log4jVersion         = "2.11.0"
-	ext.nettyVersion         = "4.1.23.Final"
+	ext.nettyVersion         = "4.1.24.Final"
 	ext.reactorVersion       = "Californium-BUILD-SNAPSHOT"
 	ext.rxjavaVersion        = "1.3.8"
 	ext.rxjavaAdapterVersion = "1.2.1"