diff --git a/debian/changelog b/debian/changelog
index e010ee6..3b899c9 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+knetwalk (4:21.12.3-1) UNRELEASED; urgency=low
+
+  * New upstream release.
+
+ -- Debian Janitor <janitor@jelmer.uk>  Wed, 16 Mar 2022 18:37:04 -0000
+
 knetwalk (4:21.08.0-1) unstable; urgency=medium
 
   [ Norbert Preining ]