diff -Nru telegram-desktop-3.5.2+ds/debian/changelog telegram-desktop-3.5.2+ds/debian/changelog
--- telegram-desktop-3.5.2+ds/debian/changelog	2022-02-10 11:02:02.000000000 +0000
+++ telegram-desktop-3.5.2+ds/debian/changelog	2022-03-01 23:15:53.000000000 +0000
@@ -1,3 +1,9 @@
+telegram-desktop (3.5.2+ds-1+rpi1) bookworm-staging; urgency=medium
+
+  * Fix built-using generation to use source version, not binary version.
+
+ -- Peter Michael Green <plugwash@raspbian.org>  Tue, 01 Mar 2022 23:15:53 +0000
+
 telegram-desktop (3.5.2+ds-1) unstable; urgency=medium
 
   * New upstream release (Closes: #1005255).
diff -Nru telegram-desktop-3.5.2+ds/debian/rules telegram-desktop-3.5.2+ds/debian/rules
--- telegram-desktop-3.5.2+ds/debian/rules	2022-01-20 09:33:52.000000000 +0000
+++ telegram-desktop-3.5.2+ds/debian/rules	2022-03-01 23:15:24.000000000 +0000
@@ -67,7 +67,7 @@
 
 CPPLIBS_PACKAGES = libexpected-dev libmsgsl-dev librange-v3-dev libtgowt-dev
 EXTRA_SUBSTVARS += \
-	cpplibs:Built-Using=$(shell dpkg-query -Wf '$${source:Package}(=$${Version}),' $(CPPLIBS_PACKAGES))
+	cpplibs:Built-Using=$(shell dpkg-query -Wf '$${source:Package}(=$${source:Version}),' $(CPPLIBS_PACKAGES))
 
 # Make visible all possible maintainer's flags.
 export DEB_BUILD_MAINT_OPTIONS $(foreach flag,$(DPKG_BUILDFLAGS_LIST),\