diff --git a/laxio-protocol-basic/pom.xml b/laxio-protocol-basic/pom.xml
index 618bfd4..92d2f4d 100644
--- a/laxio-protocol-basic/pom.xml
+++ b/laxio-protocol-basic/pom.xml
@@ -21,7 +21,7 @@
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-all</artifactId>
-            <version>4.1.37.Final</version>
+            <version>4.1.42.Final</version>
         </dependency>
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>