diff --git a/lib/whitelistedUrlPrefixes.js b/lib/whitelistedUrlPrefixes.js
index 232b2dd5129d..d9d41ba2c48a 100644
--- a/lib/whitelistedUrlPrefixes.js
+++ b/lib/whitelistedUrlPrefixes.js
@@ -27,5 +27,7 @@ module.exports = [
   'https://publishers.basicattentiontoken.org/',
   'https://publishers-staging.basicattentiontoken.org/',
   'https://updates.bravesoftware.com/', // remove this once updates are moved to the prod environment
-  'https://pdfjs.robwu.nl/logpdfjs' // allowed because it gets canceled in tracking protection
+  'https://pdfjs.robwu.nl/logpdfjs', // allowed because it gets canceled in tracking protection
+  'https://publishers-distro.basicattentiontoken.org/',
+  'https://publishers-staging-distro.basicattentiontoken.org/'
 ]