diff --git a/app/Resources/views/layout.html.twig b/app/Resources/views/layout.html.twig
index 458f0ab..45e9ab9 100644
--- a/app/Resources/views/layout.html.twig
+++ b/app/Resources/views/layout.html.twig
@@ -19,12 +19,8 @@
   {% endblock %}
 
   {% block head_js %}
-    {# HTML5 shim and Respond.js for IE8 support of HTML5 elements and media queries #}
-    {# Who uses IE??? #}
-    <!--[if lt IE 9]>
-    <script src="//oss.maxcdn.com/html5shiv/3.7.2/html5shiv.min.js"></script>
-    <script src="//oss.maxcdn.com/respond/1.4.2/respond.min.js"></script>
-    <![endif]-->
+    <script src="//yastatic.net/jquery/2.2.3/jquery.min.js"></script>
+    <script src="//yastatic.net/bootstrap/3.3.6/js/bootstrap.min.js"></script>
   {% endblock %}
 </head>
 
@@ -46,8 +42,6 @@
 
   {# Footer JavaScripts for faster loading #}
 {% block footer_js %}
-  <script src="//yastatic.net/jquery/2.1.3/jquery.min.js"></script>
-  <script src="//yastatic.net/bootstrap/3.3.1/js/bootstrap.min.js"></script>
 {% endblock %}
 {%- endblock %}
 </body>