diff --git a/docs/static/.htaccess b/docs/static/.htaccess
index 3eee8d20fb627..3f16f4519d5ea 100644
--- a/docs/static/.htaccess
+++ b/docs/static/.htaccess
@@ -21,3 +21,5 @@ RewriteRule ^(.*)$ https://superset.apache.org/$1 [R,L]
 
 RewriteCond %{HTTP_HOST} ^superset.incubator.apache.org$ [NC]
 RewriteRule ^(.*)$ https://superset.apache.org/$1 [R=301,L]
+
+Header set Content-Security-Policy "default-src 'self'; frame-src 'https://calendar.google.com/' 'https://preset.io/' 'https://sidebar.bugherd.com/' 'https://unpkg.com/';"