diff --git a/build.gradle b/build.gradle
index 1f27aa5ce0..18b1d4df70 100644
--- a/build.gradle
+++ b/build.gradle
@@ -52,7 +52,7 @@ configure(allprojects) { project ->
 	ext.junitVintageVersion  = "4.12.3"
 	ext.kotlinVersion        = "1.2.21"
 	ext.log4jVersion         = "2.10.0"
-	ext.nettyVersion         = "4.1.21.Final"
+	ext.nettyVersion         = "4.1.22.Final"
 	ext.reactorVersion       = "Bismuth-SR6"
 	ext.rxjavaVersion        = "1.3.6"
 	ext.rxjavaAdapterVersion = "1.2.1"