diff -Nru utf8proc-2.7.0/debian/changelog utf8proc-2.7.0/debian/changelog
--- utf8proc-2.7.0/debian/changelog	2022-09-21 14:22:38.000000000 +0000
+++ utf8proc-2.7.0/debian/changelog	2022-09-26 11:09:29.000000000 +0000
@@ -1,3 +1,10 @@
+utf8proc (2.7.0-4+rpi1) bookworm-staging; urgency=medium
+
+  [changes brought forward from 2.7.0-1+rpi1 by root <Peter Michael Green <plugwash@raspbian.org> at Fri, 24 Dec 2021 05:29:20 +0000]
+  * Force C.utf-8 locale.
+
+ -- Raspbian forward porter <root@raspbian.org>  Mon, 26 Sep 2022 11:09:29 +0000
+
 utf8proc (2.7.0-4) unstable; urgency=medium
 
   * Bump B-D to Unicode-data 15.0
diff -Nru utf8proc-2.7.0/debian/rules utf8proc-2.7.0/debian/rules
--- utf8proc-2.7.0/debian/rules	2022-09-21 14:22:38.000000000 +0000
+++ utf8proc-2.7.0/debian/rules	2022-09-26 11:09:29.000000000 +0000
@@ -1,5 +1,6 @@
 #!/usr/bin/make -f
 export DEB_BUILD_MAINT_OPTIONS = hardening=+all
+export LC_ALL=C.UTF-8
 
 %:
 	dh $@ --no-parallel