diff --git a/themes/grav/templates/forms/fields/userinfo/userinfo.html.twig b/themes/grav/templates/forms/fields/userinfo/userinfo.html.twig
index 5386f822..c908ad99 100644
--- a/themes/grav/templates/forms/fields/userinfo/userinfo.html.twig
+++ b/themes/grav/templates/forms/fields/userinfo/userinfo.html.twig
@@ -12,7 +12,7 @@
         - {{ data.title }}
         {% endif %}
         </h5>
-        <p class="gravatar">{{ "PLUGIN_ADMIN.AVATAR_BY"|tu }} <a href="http://gravatar.com" target="_blank">gravatar.com</a></p>
+        <p class="gravatar">{{ "PLUGIN_ADMIN.AVATAR_BY"|tu }} <a href="https://gravatar.com" target="_blank">gravatar.com</a></p>
     </div>
 </div>
 
diff --git a/themes/grav/templates/partials/nav.html.twig b/themes/grav/templates/partials/nav.html.twig
index e342bbbf..56dcd398 100644
--- a/themes/grav/templates/partials/nav.html.twig
+++ b/themes/grav/templates/partials/nav.html.twig
@@ -7,7 +7,7 @@
     {#{% if admin.authorize %}#}
     <div id="admin-user-details">
         <a href="{{ base_url_relative }}/users/{{ admin.user.username|e }}">
-            <img src="//www.gravatar.com/avatar/{{ admin.user.email|md5 }}?s=48" />
+            <img src="https://www.gravatar.com/avatar/{{ admin.user.email|md5 }}?s=48" />
 
             <div class="admin-user-names">
                 <h4>{{ admin.user.fullname|e }}</h4>