diff --git a/themes/chameleon/scripts/feed/.atom.xml b/themes/chameleon/scripts/feed/.atom.xml
index b78d9e5..8903d42 100644
--- a/themes/chameleon/scripts/feed/.atom.xml
+++ b/themes/chameleon/scripts/feed/.atom.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<feed xmlns="https://www.w3.org/2005/Atom">
+<feed xmlns="http://www.w3.org/2005/Atom">
   <title>{{ config.title }}</title>
   {% if icon %}<icon>{{ icon }}</icon>{% endif %}
   {% if config.subtitle %}<subtitle>{{ config.subtitle }}</subtitle>{% endif %}
diff --git a/themes/chameleon/scripts/sitemap/.sitemap.xml b/themes/chameleon/scripts/sitemap/.sitemap.xml
index f088841..9ee4c32 100644
--- a/themes/chameleon/scripts/sitemap/.sitemap.xml
+++ b/themes/chameleon/scripts/sitemap/.sitemap.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<urlset xmlns="https://www.sitemaps.org/schemas/sitemap/0.9">
+<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
   {% for post in posts %}
   <url>
     <loc>{{ post.permalink }}</loc>