diff --git a/debian/clean b/debian/clean
new file mode 100644
index 0000000..c3af857
--- /dev/null
+++ b/debian/clean
@@ -0,0 +1 @@
+lib/
diff --git a/debian/control b/debian/control
index 4f7ea89..72615b5 100644
--- a/debian/control
+++ b/debian/control
@@ -4,7 +4,14 @@
 Maintainer: Debian Javascript Maintainers <pkg-javascript-devel@lists.alioth.debian.org>
 Uploaders: Julien Puydt <jpuydt@debian.org>
 Testsuite: autopkgtest-pkg-nodejs
-Build-Depends: debhelper-compat (= 13), mocha, dh-sequence-nodejs
+Build-Depends: debhelper-compat (= 13)
+ , dh-sequence-nodejs
+ , mocha <!nocheck>
+ , node-assert <!nocheck>
+ , node-types-assert <!nocheck>
+ , node-typescript
+ , rollup
+ , ts-node <!nocheck>
 Standards-Version: 4.6.1
 Homepage: https://github.com/omichelsen/compare-versions#readme
 Vcs-Git: https://salsa.debian.org/js-team/node-compare-versions.git
diff --git a/debian/rules b/debian/rules
index 2d33f6a..b3350f4 100755
--- a/debian/rules
+++ b/debian/rules
@@ -2,3 +2,7 @@
 
 %:
 	dh $@
+
+override_dh_auto_build:
+	tsc --module esnext --target es2017 --outDir lib/esm
+	rollup lib/esm/index.js --format umd --name compareVersions --sourcemap -o lib/umd/index.js