diff --git a/index.xhtml b/index.xhtml
index cdbc732..dc8383f 100644
--- a/index.xhtml
+++ b/index.xhtml
@@ -44,8 +44,8 @@
       newly-designed glyphs have been released into the public domain.</p>
     <p>
       <a rel="license"
-	  href="http://creativecommons.org/publicdomain/zero/1.0/">
-	<img src="http://i.creativecommons.org/p/zero/1.0/88x31.png"
+	  href="https://creativecommons.org/publicdomain/zero/1.0/">
+	<img src="https://i.creativecommons.org/p/zero/1.0/88x31.png"
 	     style="border-style: none;" alt="CC0" />
       </a>
     </p>