diff --git a/pom.xml b/pom.xml
index 3c67c65..f9c838f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -34,7 +34,7 @@
     <commons.csv.version>1.6</commons.csv.version>
     <hadoop.version>2.10.2</hadoop.version>
     <spark2.version>2.3.1</spark2.version>
-    <netty.version>4.1.16.Final</netty.version>
+    <netty.version>4.1.42.Final</netty.version>
     <netty-http.version>1.3.0</netty-http.version>
     <httpcomponents.version>4.5.9</httpcomponents.version>
     <guava.retrying.version>2.0.0</guava.retrying.version>