diff --git a/pom.xml b/pom.xml
index ff7d252..d230a75 100644
--- a/pom.xml
+++ b/pom.xml
@@ -98,37 +98,37 @@
   <dependency>
   	<groupId>io.netty</groupId>
   	<artifactId>netty-buffer</artifactId>
-  	<version>4.1.21.Final</version>
+  	<version>4.1.22.Final</version>
   </dependency>
   <dependency>
   	<groupId>io.netty</groupId>
   	<artifactId>netty-common</artifactId>
-  	<version>4.1.21.Final</version>
+  	<version>4.1.22.Final</version>
   </dependency>
   <dependency>
   	<groupId>io.netty</groupId>
   	<artifactId>netty-transport</artifactId>
-       <version>4.1.21.Final</version>
+       <version>4.1.22.Final</version>
   </dependency>
   <dependency>
   	<groupId>io.netty</groupId>
   	<artifactId>netty-handler</artifactId>
-  	<version>4.1.21.Final</version>
+  	<version>4.1.22.Final</version>
   </dependency>
   <dependency>
   	<groupId>io.netty</groupId>
   	<artifactId>netty-codec-http</artifactId>
-  	<version>4.1.21.Final</version>
+  	<version>4.1.22.Final</version>
   </dependency>
   <dependency>
   	<groupId>io.netty</groupId>
   	<artifactId>netty-codec</artifactId>
-  	<version>4.1.21.Final</version>
+  	<version>4.1.22.Final</version>
   </dependency>
   <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-transport-native-epoll</artifactId>
-        <version>4.1.21.Final</version>
+        <version>4.1.22.Final</version>
   </dependency>
   
   <dependency>