diff --git a/src/main/webapp/WEB-INF/web.xml b/src/main/webapp/WEB-INF/web.xml
index 1cb9bbc..0220a13 100644
--- a/src/main/webapp/WEB-INF/web.xml
+++ b/src/main/webapp/WEB-INF/web.xml
@@ -1,7 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE web-app
-    PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
-    "http://java.sun.com/dtd/web-app_2_3.dtd">
+<web-app xmlns="http://java.sun.com/xml/ns/javaee"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://java.sun.com/xml/ns/javaee 
+          http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
+	version="3.0">
 
 <web-app>