diff --git a/_layouts/base.html b/_layouts/base.html
index 9610099..2249c0b 100644
--- a/_layouts/base.html
+++ b/_layouts/base.html
@@ -123,7 +123,7 @@
           <hr>
 
           <div id="Map" style="height:250px"></div>
-          <script src="http://www.openlayers.org/api/OpenLayers.js"></script>
+          <script src="https://openlayers.org/en/v4.3.3/build/ol.js" type="text/javascript"></script>
 
           <script>
               var lat            = 55.6886382;