diff --git a/project_code/server/pom.xml b/project_code/server/pom.xml
index eea1c2ad5..acc5b5281 100644
--- a/project_code/server/pom.xml
+++ b/project_code/server/pom.xml
@@ -37,7 +37,7 @@
 		<dependency>
 			<groupId>io.netty</groupId>
 			<artifactId>netty-all</artifactId>
-			<version>4.0.17.Final</version>
+			<version>4.1.42.Final</version>
 		</dependency>
 		<dependency>
 			<groupId>com.google.protobuf</groupId>