diff --git a/debian/gbp.conf b/debian/gbp.conf
index 3045a1ce..6aed566c 100644
--- a/debian/gbp.conf
+++ b/debian/gbp.conf
@@ -1,5 +1,5 @@
 [DEFAULT]
-debian-branch = debian/master
+debian-branch = debian/buster
 upstream-branch = upstream/latest
 pristine-tar = True