diff --git a/content/extension.html b/content/extension.html
index 5ac1cb7..5b1451e 100644
--- a/content/extension.html
+++ b/content/extension.html
@@ -8,6 +8,7 @@
     <meta name="description" content="">
     <meta name="author" content="">
     <link rel="icon" href="favicon.ico">
+    <meta http-equiv="Content-Security-Policy" content="frame-src youtube.com www.youtube.com">
 
     <title>AsterixDB Extensions</title>