diff -Nru libxmlbird-1.2.11/debian/changelog libxmlbird-1.2.11/debian/changelog
--- libxmlbird-1.2.11/debian/changelog	2020-05-23 22:28:30.000000000 +0000
+++ libxmlbird-1.2.11/debian/changelog	2020-06-27 09:06:06.000000000 +0000
@@ -1,3 +1,10 @@
+libxmlbird (1.2.11-3) unstable; urgency=medium
+
+  * debian/control
+    - Set Multi-Arch: same for libxmlbird-dev
+
+ -- Hideki Yamane <henrich@debian.org>  Sat, 27 Jun 2020 18:06:06 +0900
+
 libxmlbird (1.2.11-2) unstable; urgency=medium
 
   * Trim trailing whitespace.
diff -Nru libxmlbird-1.2.11/debian/control libxmlbird-1.2.11/debian/control
--- libxmlbird-1.2.11/debian/control	2020-05-23 22:28:30.000000000 +0000
+++ libxmlbird-1.2.11/debian/control	2020-06-27 09:06:06.000000000 +0000
@@ -18,6 +18,7 @@
 Section: libdevel
 Architecture: any
 Depends: libxmlbird1 (= ${binary:Version}), ${misc:Depends}
+Multi-Arch: same
 Description: XML parser written in Vala (development files)
  XML Bird is a library for parsing documents written in the Exensible Markup
  Language (XML). This parser is written in Vala and has support for Vala