diff --git a/build.gradle b/build.gradle
index 0de1397435..7c173726dd 100644
--- a/build.gradle
+++ b/build.gradle
@@ -47,7 +47,7 @@ ext {
 	junitVintageVersion  = "4.12.3"
 	kotlinVersion        = "1.2.71"
 	log4jVersion         = "2.11.2"
-	nettyVersion         = "4.1.37.Final"
+	nettyVersion         = "4.1.38.Final"
 	reactorVersion       = "Bismuth-SR17"
 	rxjavaVersion        = "1.3.8"
 	rxjavaAdapterVersion = "1.2.1"