diff -Nru codetools-0.2-18/debian/changelog codetools-0.2-18/debian/changelog
--- codetools-0.2-18/debian/changelog	2020-11-04 22:37:30.000000000 +0000
+++ codetools-0.2-18/debian/changelog	2021-05-19 17:25:28.000000000 +0000
@@ -1,3 +1,10 @@
+codetools (0.2-18-1.2104.0) hirsute; urgency=medium
+
+  * Compilation for Ubuntu 21.04
+  * Remove dependency for R 4.0.0 for backports in Ubuntu
+
+ -- Michael Rutter <marutter@gmail.com>  Wed, 19 May 2021 17:25:28 +0000
+
 codetools (0.2-18-1) unstable; urgency=medium
 
   * New upstream release
diff -Nru codetools-0.2-18/debian/control codetools-0.2-18/debian/control
--- codetools-0.2-18/debian/control	2020-10-20 15:27:07.000000000 +0000
+++ codetools-0.2-18/debian/control	2021-05-19 17:25:28.000000000 +0000
@@ -2,7 +2,7 @@
 Section: gnu-r
 Priority: optional
 Maintainer: Dirk Eddelbuettel <edd@debian.org>
-Build-Depends: debhelper-compat (= 11), r-base-dev (>= 4.0.3), dh-r
+Build-Depends: debhelper-compat (= 11), r-base-dev, dh-r
 Standards-Version: 4.5.0
 Vcs-Browser: https://salsa.debian.org/edd/r-cran-codetools
 Vcs-Git: https://salsa.debian.org/edd/r-cran-codetools.git