diff --git a/resources/views/themes/default/index.blade.php b/resources/views/themes/default/index.blade.php
index ebb4fc53..ee639a5c 100644
--- a/resources/views/themes/default/index.blade.php
+++ b/resources/views/themes/default/index.blade.php
@@ -14,13 +14,13 @@
     <link rel="stylesheet" href="{!! $assetPathPrefix !!}css/theme-default.style.css" media="screen">
     <link rel="stylesheet" href="{!! $assetPathPrefix !!}css/theme-default.print.css" media="print">
 
-    <script src="//cdn.jsdelivr.net/npm/lodash@4.17.10/lodash.min.js"></script>
+    <script src="https://cdn.jsdelivr.net/npm/lodash@4.17.10/lodash.min.js"></script>
 
     <link rel="stylesheet"
-          href="//unpkg.com/@highlightjs/cdn-assets@10.7.2/styles/obsidian.min.css">
-    <script src="//unpkg.com/@highlightjs/cdn-assets@10.7.2/highlight.min.js"></script>
+          href="https://unpkg.com/@highlightjs/cdn-assets@10.7.2/styles/obsidian.min.css">
+    <script src="https://unpkg.com/@highlightjs/cdn-assets@10.7.2/highlight.min.js"></script>
 
-    <script src="//cdnjs.cloudflare.com/ajax/libs/jets/0.14.1/jets.min.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/jets/0.14.1/jets.min.js"></script>
 
 @if(isset($metadata['example_languages']))
     <style id="language-style">