diff --git a/nginx.conf b/nginx.conf
--- a/nginx.conf
+++ b/nginx.conf
@@ -30,7 +30,7 @@
     }
 
     location ~*  \.(css|js)$ {
-        expires 1d;
+        expires -1;
     }
 
     error_page   500 502 503 504  /50x.html;