diff -Nru r-cran-nmf-0.22.0/debian/changelog r-cran-nmf-0.22.0/debian/changelog
--- r-cran-nmf-0.22.0/debian/changelog	2020-02-19 18:26:55.000000000 +0000
+++ r-cran-nmf-0.22.0/debian/changelog	2020-05-31 06:20:15.000000000 +0000
@@ -1,3 +1,9 @@
+r-cran-nmf (0.22.0-1build1) groovy; urgency=medium
+
+  * No-change rebuild against r-api-4.0
+
+ -- Steve Langasek <steve.langasek@ubuntu.com>  Sun, 31 May 2020 06:20:15 +0000
+
 r-cran-nmf (0.22.0-1) unstable; urgency=medium
 
   * Team upload.
diff -Nru r-cran-nmf-0.22.0/debian/control r-cran-nmf-0.22.0/debian/control
--- r-cran-nmf-0.22.0/debian/control	2020-02-19 18:26:55.000000000 +0000
+++ r-cran-nmf-0.22.0/debian/control	2020-05-31 06:20:15.000000000 +0000
@@ -1,5 +1,6 @@
 Source: r-cran-nmf
-Maintainer: Debian R Packages Maintainers <r-pkg-team@alioth-lists.debian.net>
+Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
+XSBC-Original-Maintainer: Debian R Packages Maintainers <r-pkg-team@alioth-lists.debian.net>
 Uploaders: Alba Crespi <crespialba+debian@gmail.com>
 Section: gnu-r
 Testsuite: autopkgtest-pkg-r