diff --git a/hosts/whitelist.txt b/hosts/whitelist.txt
index 8fd8951..89dc6f1 100755
--- a/hosts/whitelist.txt
+++ b/hosts/whitelist.txt
@@ -290,6 +290,7 @@ statcounter.com
 www.statcounter.com
 
 # Xiaomi
+au.ff.avast.sec.miui.com # Xiaomi security app
 zhuti.xiaomi.com
 fr.app.chat.global.xiaomi.net
 metok-ccc.intl.xiaomi.com