diff --git a/helpers/make-shim b/helpers/make-shim
index 33344e7..72bec43 100644
--- a/helpers/make-shim
+++ b/helpers/make-shim
@@ -24,7 +24,7 @@
 ##
 
 VERSION=0
-EXTERNAL='deb-src http://ftp.debian.org/debian bullseye main'
+EXTERNAL='deb-src http://ftp.debian.org/debian trixie main'
 REPOKEY=0E98404D386FA1D9
 NETINST=true
 . ./config