diff --git a/layouts/shortcodes/youtube.html b/layouts/shortcodes/youtube.html
index abc9ff5..797b28c 100644
--- a/layouts/shortcodes/youtube.html
+++ b/layouts/shortcodes/youtube.html
@@ -8,7 +8,7 @@
       type="text/html"
       width="640"
       height="385"
-      src="http://www.youtube.com/embed/{{ index .Params 0 }}"
+      src="https://www.youtube.com/embed/{{ index .Params 0 }}"
       allowfullscreen
       frameborder="0">
     </iframe>