diff --git a/app/views/dossiers/_infos_dossier.html.haml b/app/views/dossiers/_infos_dossier.html.haml
index 84a9954da..c7ca90c76 100644
--- a/app/views/dossiers/_infos_dossier.html.haml
+++ b/app/views/dossiers/_infos_dossier.html.haml
@@ -1,4 +1,4 @@
-= javascript_include_tag "http://code.highcharts.com/highcharts.js", "chartkick"
+= javascript_include_tag "https://code.highcharts.com/highcharts.js", "chartkick"
 .row#infos_dossier
   .col-md-6
     %h4.text-info