diff --git a/www/default/landing.html b/www/default/landing.html
index 6d25615..0946933 100644
--- a/www/default/landing.html
+++ b/www/default/landing.html
@@ -75,7 +75,7 @@
     [[ end ]]
 
     <script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script>
-    <script src="https://unpkg.com/popper.js@1.11.0/dist/popper.min.js" integrity="sha384-uCa4qezlW5mCPVCObzjP3mDW55D2m3NMr9He5zdtBwBcxI0r2T6f52moDLRT/7Rb" crossorigin="anonymous"></script>
+    <script src="https://unpkg.com/popper.js@1.11.0/dist/umd/popper.min.js" integrity="sha384-b/U6ypiBEHpOf/4+1nzFpr53nxSS+GLCkfwBdFNTxtclqqenISfwAzpKaMNFNmj4" crossorigin="anonymous"></script>
     <script src="https://unpkg.com/bootstrap@4.0.0-beta/dist/js/bootstrap.min.js" integrity="sha384-h0AbiXch4ZDo7tp9hKZ4TsHbi047NrKGLO3SEJAg45jXxnGIfYzk4Si90RDIqNm1" crossorigin="anonymous"></script>
     <script>
         angular.module('PWDLanding', [])