diff --git a/files/apt/sources.list.amd64 b/files/apt/sources.list.amd64
index 108bf0dd59..04a2b14353 100644
--- a/files/apt/sources.list.amd64
+++ b/files/apt/sources.list.amd64
@@ -1,8 +1,10 @@
 ## Debian mirror on Microsoft Azure
 ## Ref: http://debian-archive.trafficmanager.net/
 
-deb [arch=amd64] http://debian-archive.trafficmanager.net/debian/ bullseye main contrib non-free
-deb-src [arch=amd64] http://debian-archive.trafficmanager.net/debian/ bullseye main contrib non-free
+deb [arch=amd64] http://deb.debian.org/debian/ bullseye main contrib non-free
+deb-src [arch=amd64] http://deb.debian.org/debian/ bullseye main contrib non-free
+#deb [arch=amd64] http://debian-archive.trafficmanager.net/debian/ bullseye main contrib non-free
+#deb-src [arch=amd64] http://debian-archive.trafficmanager.net/debian/ bullseye main contrib non-free
 #deb [arch=amd64] http://debian-archive.trafficmanager.net/debian-security/ bullseye/updates main contrib non-free
 #deb-src [arch=amd64] http://debian-archive.trafficmanager.net/debian-security/ bullseye/updates main contrib non-free
 #deb [arch=amd64] http://debian-archive.trafficmanager.net/debian/ bullseye-backports main contrib non-free