diff -Nru octave-optim-1.6.1/debian/changelog octave-optim-1.6.1/debian/changelog
--- octave-optim-1.6.1/debian/changelog	2021-08-15 21:29:18.000000000 +0000
+++ octave-optim-1.6.1/debian/changelog	2022-01-19 12:50:48.000000000 +0000
@@ -1,3 +1,9 @@
+octave-optim (1.6.1-2build1) jammy; urgency=medium
+
+  * No-change rebuild against octave 6.4.0
+
+ -- Graham Inggs <ginggs@ubuntu.com>  Wed, 19 Jan 2022 12:50:48 +0000
+
 octave-optim (1.6.1-2) unstable; urgency=medium
 
   * Upload to unstable