thingsboard-aplcache

diff --git a/pom.xml b/pom.xml
index 80e846d..f37fe81 100755
--- a/pom.xml
+++ b/pom.xml
@@ -64,7 +64,7 @@
         <grpc.version>1.0.0</grpc.version>
         <lombok.version>1.16.18</lombok.version>
         <paho.client.version>1.1.0</paho.client.version>
-        <netty.version>4.1.3.Final</netty.version>
+        <netty.version>4.1.22.Final</netty.version>
         <os-maven-plugin.version>1.5.0</os-maven-plugin.version>
         <rabbitmq.version>3.6.5</rabbitmq.version>
         <kafka.version>0.9.0.0</kafka.version>