diff --git a/debian/gbp.conf b/debian/gbp.conf
index 973a10492..85d542409 100644
--- a/debian/gbp.conf
+++ b/debian/gbp.conf
@@ -1,3 +1,6 @@
+[DEFAULT]
+debian-branch = main
+
 [dch]
 git-log = --no-merges
 multimaint-merge = True