diff --git a/helpers/make-virtnbdbackup b/helpers/make-virtnbdbackup
index fe97a47..a880c38 100644
--- a/helpers/make-virtnbdbackup
+++ b/helpers/make-virtnbdbackup
@@ -18,7 +18,7 @@
 #
 
 VERSION=0
-EXTERNAL='deb-src http://ftp.us.debian.org/debian bookworm main'
+EXTERNAL='deb-src http://ftp.us.debian.org/debian trixie main'
 REPOKEY=6ED0E7B82643E131
 BACKPORTS=true
 . ./config