diff -Nru labplot-2.9.0/debian/changelog labplot-2.9.0/debian/changelog
--- labplot-2.9.0/debian/changelog	2022-05-03 06:22:01.000000000 +0000
+++ labplot-2.9.0/debian/changelog	2022-09-03 17:52:39.000000000 +0000
@@ -1,3 +1,9 @@
+labplot (2.9.0-1+rpi1) bookworm-staging; urgency=medium
+
+  * Don't build against cantor on armhf.
+
+ -- Peter Michael Green <plugwash@raspbian.org>  Sat, 03 Sep 2022 17:52:39 +0000
+
 labplot (2.9.0-1) unstable; urgency=medium
 
   * Upload to unstable.
diff -Nru labplot-2.9.0/debian/control labplot-2.9.0/debian/control
--- labplot-2.9.0/debian/control	2022-05-03 05:57:51.000000000 +0000
+++ labplot-2.9.0/debian/control	2022-09-03 17:52:26.000000000 +0000
@@ -31,7 +31,7 @@
  libkf5xmlgui-dev (>= 5.16.0),
  kuserfeedback-dev,
  bison,
- libcantor-dev [amd64 arm64 armhf i386 mips64el mipsel],
+ libcantor-dev [amd64 arm64 i386 mips64el mipsel],
  libpoppler-qt5-dev (>= 19.12~),
  libspectre-dev,
  libcfitsio-dev,