diff --git a/TC1/http_server/app_httpd.h b/TC1/http_server/app_httpd.h
index 7f2ae62..391077d 100644
--- a/TC1/http_server/app_httpd.h
+++ b/TC1/http_server/app_httpd.h
@@ -32,9 +32,9 @@
  */
 #include "http_server/web_log.h"
 
-#define HTTP_CONTENT_HTML_ZIP "text/html\r\nContent-Encoding: gzip"
-#define HTTP_CONTENT_JS_ZIP "text/javascript\r\nContent-Encoding: gzip"
-#define HTTP_CONTENT_CSS_ZIP "text/css\r\nContent-Encoding: gzip"
+#define HTTP_CONTENT_HTML_ZIP "text/html\r\nContent-Encoding: gzip\r\nCache-Control: public"
+#define HTTP_CONTENT_JS_ZIP "text/javascript\r\nContent-Encoding: gzip\r\nCache-Control: public"
+#define HTTP_CONTENT_CSS_ZIP "text/css\r\nContent-Encoding: gzip\r\nCache-Control: public"
 
 #define HTTPD_HDR_DEFORT (HTTPD_HDR_ADD_SERVER|HTTPD_HDR_ADD_CONN_CLOSE|HTTPD_HDR_ADD_PRAGMA_NO_CACHE)
 #define HTTPD_HDR_CACHE (HTTPD_HDR_ADD_SERVER|HTTPD_HDR_ADD_CONN_CLOSE|HTTPD_HDR_ADD_CACHE_CTRL_NO_CHK)