diff --git a/src/main/webapp/WEB-INF/web.xml b/src/main/webapp/WEB-INF/web.xml
index 57ddf838846f807ceca2551676e54880896badbb..a55ad102bb0c0b35f64946ddb888f70b00375af5 100644
--- a/src/main/webapp/WEB-INF/web.xml
+++ b/src/main/webapp/WEB-INF/web.xml
@@ -34,4 +34,8 @@
 	<welcome-file-list>
 		<welcome-file>index.html</welcome-file>
 	</welcome-file-list>
+	<mime-mapping>
+		<extension>manifest</extension>
+		<mime-type>text/cache-manifest</mime-type>
+	</mime-mapping>
 </web-app>
\ No newline at end of file