--- orig/etc/apt/elho.net.list
+++ mod/etc/apt/elho.net.list
@@ -1,2 +1,2 @@
-deb http://www.elho.net/debian/ stretch/
-deb-src http://www.elho.net/debian/ stretch/
+deb http://www.elho.net/debian/ buster/
+deb-src http://www.elho.net/debian/ buster/
