diff --git a/pom.xml b/pom.xml
index 10e2f5b..0d3bcce 100644
--- a/pom.xml
+++ b/pom.xml
@@ -53,7 +53,7 @@
     <dependency>
       <groupId>io.netty</groupId>
       <artifactId>netty-all</artifactId>
-      <version>4.1.90.Final</version>
+      <version>4.1.91.Final</version>
     </dependency>
     <dependency>
       <groupId>org.javassist</groupId>