diff --git a/_includes/breadcrumbs.html b/_includes/breadcrumbs.html
index 82fe2cc4..cba3d415 100644
--- a/_includes/breadcrumbs.html
+++ b/_includes/breadcrumbs.html
@@ -13,12 +13,12 @@
 {% endif %}
 
 <nav class="breadcrumbs">
-  <ol itemscope itemtype="http://schema.org/BreadcrumbList">
+  <ol itemscope itemtype="https://schema.org/BreadcrumbList">
     {% assign crumbs = page.url | split: '/' %}
     {% assign i = 1 %}
     {% for crumb in crumbs offset: 1 %}
       {% if forloop.first %}
-        <li itemprop="itemListElement" itemscope itemtype="http://schema.org/ListItem">
+        <li itemprop="itemListElement" itemscope itemtype="https://schema.org/ListItem">
           <a href="{{ site.url }}{{ site.baseurl }}/" itemprop="item"><span itemprop="name">{{ site.data.ui-text[site.locale].breadcrumb_home_label | default: "Home" }}</span></a>
           <meta itemprop="position" content="{{ i }}" />
         </li>
@@ -28,7 +28,7 @@
         <li class="current">{{ page.title }}</li>
       {% else %}
         {% assign i = i | plus: 1 %}
-        <li itemprop="itemListElement" itemscope itemtype="http://schema.org/ListItem">
+        <li itemprop="itemListElement" itemscope itemtype="https://schema.org/ListItem">
           <a href="{{ crumb | downcase | replace: '%20', '-' | prepend: path_type | prepend: crumb_path | relative_url }}" itemprop="item"><span itemprop="name">{{ crumb | replace: '-', ' ' | replace: '%20', ' ' | capitalize }}</span></a>
           <meta itemprop="position" content="{{ i }}" />
         </li>