diff --git a/build.gradle.kts b/build.gradle.kts
index 71a7be0..f4ca779 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -17,7 +17,7 @@ repositories {
 }
 
 dependencies {
-    implementation("io.netty:netty-all:4.1.114.Final")
+    implementation("io.netty:netty-all:4.2.0.Final")
     implementation("io.jpower.kcp:kcp-netty:1.5.2")
 
     //ssl server support