diff --git a/pom.xml b/pom.xml
index cddb7c2698..ace43ec260 100644
--- a/pom.xml
+++ b/pom.xml
@@ -59,7 +59,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <!-- You need a running redis+sentinel for all tests, therefore disabled by default -->
         <skipTests>true</skipTests>
-        <netty-version>4.1.15.Final</netty-version>
+        <netty-version>4.1.17.Final</netty-version>
         <spring-version>4.3.10.RELEASE</spring-version>
     </properties>
 
@@ -338,7 +338,7 @@
             <id>netty-40</id>
 
             <properties>
-                <netty-version>4.0.51.Final</netty-version>
+                <netty-version>4.0.53.Final</netty-version>
             </properties>
         </profile>