diff --git a/src/fr/devinsy/kiss4web/SimpleServletDispatcher.java b/src/fr/devinsy/kiss4web/SimpleServletDispatcher.java
index 317e15e..18d692e 100755
--- a/src/fr/devinsy/kiss4web/SimpleServletDispatcher.java
+++ b/src/fr/devinsy/kiss4web/SimpleServletDispatcher.java
@@ -45,6 +45,7 @@ public class SimpleServletDispatcher extends HttpServlet
 	// static final protected Pattern LONG_REWRITED_URL_PARAMETERS =
 	// Pattern.compile("^.+-/(.)+*$");
 	static final private Pattern REWRITE_PARAMETER = Pattern.compile("[^%\\w\\d]");
+	static final public int CACHE_AGE = 60 * 60;
 
 	private String webclassesRootPath;
 
@@ -482,6 +483,10 @@ public class SimpleServletDispatcher extends HttpServlet
 				contentDispositionToken = "inline";
 			}
 			response.setHeader("Content-Disposition", contentDispositionToken + "; filename=\"" + file.getName() + "\"");
+
+			response.setDateHeader("Expires", new Date().getTime() + CACHE_AGE * 1000);
+			response.setHeader("Cache-Control", "max-age=" + CACHE_AGE);
+
 			response.flushBuffer();
 
 			ServletOutputStream out = response.getOutputStream();