diff -Nru libsignon-glib-2.1/debian/changelog libsignon-glib-2.1/debian/changelog
--- libsignon-glib-2.1/debian/changelog	2021-01-12 08:15:05.000000000 +0000
+++ libsignon-glib-2.1/debian/changelog	2021-02-19 15:52:20.000000000 +0000
@@ -1,3 +1,9 @@
+libsignon-glib (2.1-3ubuntu1) hirsute; urgency=medium
+
+  * add replaces relationship to gir1.2-signon-2.0 package. LP: #1916250
+
+ -- Rolf Leggewie <foss@rolf.leggewie.biz>  Fri, 19 Feb 2021 16:52:20 +0100
+
 libsignon-glib (2.1-3) unstable; urgency=medium
 
   * Team upload.
diff -Nru libsignon-glib-2.1/debian/control libsignon-glib-2.1/debian/control
--- libsignon-glib-2.1/debian/control	2021-01-12 08:14:09.000000000 +0000
+++ libsignon-glib-2.1/debian/control	2021-02-19 15:52:20.000000000 +0000
@@ -49,6 +49,7 @@
 Architecture: any
 Multi-Arch: same
 Pre-Depends: ${misc:Pre-Depends}
+Replaces: gir1.2-signon-1.0
 Depends: ${misc:Depends}, ${shlibs:Depends},
  ${gir:Depends},
 Description: typelib for libsignon-glib2