diff --git a/build.gradle b/build.gradle
index e5b7eca..08e3847 100644
--- a/build.gradle
+++ b/build.gradle
@@ -17,13 +17,16 @@ repositories {
 ext {
     slf4j_version = '1.7.30'
     logback_version = '1.2.3'
+    netty_version = '4.1.22.Final'
 
     library = [
             guice: ['com.google.inject:guice:4.1.0'],
             logger: ["ch.qos.logback:logback-core:$logback_version",
                      "ch.qos.logback:logback-classic:$logback_version"],
             lombok: ['org.projectlombok:lombok:1.18.2'],
-            netty: ['io.netty:netty-all:4.1.22.Final'],
+            netty: ["io.netty:netty-transport:$netty_version",
+                    "io.netty:netty-codec:$netty_version",
+                    "io.netty:netty-handler:$netty_version" /*for logger handler*/],
             slf4j: ["org.slf4j:slf4j-api:$slf4j_version",
                     "org.slf4j:jcl-over-slf4j:$slf4j_version"],
             commons: ['commons-io:commons-io:2.6']