diff --git a/client/src/index.html b/client/src/index.html
index de3e1af..9195927 100644
--- a/client/src/index.html
+++ b/client/src/index.html
@@ -5,7 +5,7 @@
   <meta charset="utf-8">
   <title>Angular 2</title>
   <base href="/">
-  <link rel="stylesheet" href="https://bootswatch.com/flatly/bootstrap.css">
+  <link rel="stylesheet" href="https://bootswatch.com/3/flatly/bootstrap.css">
   <meta name="viewport" content="width=device-width, initial-scale=1">
   <link rel="icon" type="image/x-icon" href="favicon.ico">
 </head>