diff --git a/apps/web/server.py b/apps/web/server.py
index 6b05bed..237650d 100644
--- a/apps/web/server.py
+++ b/apps/web/server.py
@@ -116,7 +116,7 @@ class ProxyStaticHandler(SimpleHTTPRequestHandler):
             self.send_header("Content-Type", ctype)
             self.send_header("Content-Length", content_length)
             if "text/html" in ctype or "text/javascript" in ctype or "application/javascript" in ctype:
-                self.send_header("Cache-Control", "no-cache, no-store, must-revalidate")
+                self.send_header("Cache-Control", "no-cache, no-store, must-revalidate, s-maxage=0")
                 self.send_header("Pragma", "no-cache")
                 self.send_header("Expires", "0")
             self.send_header("Last-Modified", self.date_time_string(fs.st_mtime))