diff -Nru architecture-properties-0.1.1/debian/changelog architecture-properties-0.1.1~18.04.sav0/debian/changelog
--- architecture-properties-0.1.1/debian/changelog	2022-12-19 20:52:18.000000000 +0000
+++ architecture-properties-0.1.1~18.04.sav0/debian/changelog	2023-11-07 16:10:59.000000000 +0000
@@ -1,3 +1,11 @@
+architecture-properties (0.1.1~18.04.sav0) bionic; urgency=medium
+
+  * Backport to Bionic
+  * debian/rules: Change execute_* -> override_* with dh invocation
+  * debian/control: Set debhelper-compat (= 11) BD
+
+ -- Rob Savoury <savoury@savos.tech>  Tue, 07 Nov 2023 08:10:59 -0800
+
 architecture-properties (0.1.1) unstable; urgency=medium
 
   * Upload to unstable.
diff -Nru architecture-properties-0.1.1/debian/control architecture-properties-0.1.1~18.04.sav0/debian/control
--- architecture-properties-0.1.1/debian/control	2022-12-14 13:57:33.000000000 +0000
+++ architecture-properties-0.1.1~18.04.sav0/debian/control	2023-11-07 16:10:59.000000000 +0000
@@ -3,7 +3,7 @@
 Priority: optional
 Maintainer: Architecture Properties Maintainers <achitecture-properties@packages.debian.org>
 Uploaders: Niels Thykier <niels@thykier.net>,
-Build-Depends: debhelper-compat (= 13)
+Build-Depends: debhelper-compat (= 11)
 Rules-Requires-Root: no
 Standards-Version: 4.6.1
 Vcs-Git: https://salsa.debian.org/debian/architecture-properties.git
diff -Nru architecture-properties-0.1.1/debian/rules architecture-properties-0.1.1~18.04.sav0/debian/rules
--- architecture-properties-0.1.1/debian/rules	2022-12-14 12:03:02.000000000 +0000
+++ architecture-properties-0.1.1~18.04.sav0/debian/rules	2023-11-07 16:10:52.000000000 +0000
@@ -3,7 +3,8 @@
 %:
 	dh $@
 
-execute_before_dh_gencontrol:
+override_dh_gencontrol:
 	echo "DEB-HOST-ARCH-BITS=$(DEB_HOST_ARCH_BITS)" >> debian/architecture-properties.substvars
 	echo "DEB-HOST-ARCH-ENDIAN=$(DEB_HOST_ARCH_ENDIAN)" >> debian/architecture-properties.substvars
+	dh_gencontrol