diff --git a/templates/base.html b/templates/base.html
index b225a54..37e4b15 100644
--- a/templates/base.html
+++ b/templates/base.html
@@ -14,7 +14,7 @@
     <link rel="stylesheet" type="text/css" href="//fonts.googleapis.com/css?family=Raleway"/>
     <link rel="stylesheet" href="{% static 'font-awesome-4.7.0/css/font-awesome.min.css' %}">
     <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
-    <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.11.1/esm/popper.min.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.11.0/umd/popper.min.js"></script>
     <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.0.0-beta/js/bootstrap.min.js"></script>
 
     {% block head %}