diff --git a/pac.txt b/pac.txt
index 6654389..49ba082 100644
--- a/pac.txt
+++ b/pac.txt
@@ -6857,7 +6857,8 @@ var rules = [
   ".techpowerup.com",
   ".zeplin.io",
   ".gravatar.com",
-  ".polyfill.io"
+  ".polyfill.io",
+  ".mozilla.org"
 ];
 
 /*