diff --git a/p/haskell-hierarchical-clustering/debian/changelog b/p/haskell-hierarchical-clustering/debian/changelog
index d9484e1f7a..dcd458948e 100644
--- a/p/haskell-hierarchical-clustering/debian/changelog
+++ b/p/haskell-hierarchical-clustering/debian/changelog
@@ -1,3 +1,9 @@
+haskell-hierarchical-clustering (0.4.7+git20190818.1.f9ab3d0-1) UNRELEASED; urgency=low
+
+  * New upstream snapshot.
+
+ -- Debian Janitor <janitor@jelmer.uk>  Sun, 20 Mar 2022 08:05:34 -0000
+
 haskell-hierarchical-clustering (0.4.7-1) unstable; urgency=medium
 
   * New upstream release