diff --git a/resteasy-netty-example/pom.xml b/resteasy-netty-example/pom.xml
index 093d1cc..ea3050b 100644
--- a/resteasy-netty-example/pom.xml
+++ b/resteasy-netty-example/pom.xml
@@ -19,7 +19,7 @@
 
     <properties>
         <version.resteasy>3.0.6.Final</version.resteasy>
-        <undertow.version>1.0.0.Beta30</undertow.version>
+        <undertow.version>2.1.6.Final</undertow.version>
         <netty.version>4.0.2.Final</netty.version>
 
         <keycloak.version>1.3.1.Final</keycloak.version>