deploying docs: fix(docs site): CSP changes, take 2 (#27259) (apache/superset@4a1f66a6c74501dfc1f23b46a0c3e071251909bf)
diff --git a/.htaccess b/.htaccess
index 3eee8d2..3f16f45 100644
--- a/.htaccess
+++ b/.htaccess
@@ -21,3 +21,5 @@
 
 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/';"