diff --git a/debian/tests/control b/debian/tests/control
new file mode 100644
index 0000000..aa4fb0b
--- /dev/null
+++ b/debian/tests/control
@@ -0,0 +1,2 @@
+Tests: unittests
+Depends: @, python3-all, python3-pytest
diff --git a/debian/tests/unittests b/debian/tests/unittests
new file mode 100644
index 0000000..084282f
--- /dev/null
+++ b/debian/tests/unittests
@@ -0,0 +1,13 @@
+#!/bin/sh
+set -efu
+
+pys="$(py3versions -s 2> /dev/null)"
+
+cp -a README-template.md test "$AUTOPKGTEST_TMP"
+ln -s /usr/lib/nagios/plugins/check_systemd "$AUTOPKGTEST_TMP/check_systemd.py"
+cd "$AUTOPKGTEST_TMP"
+
+for py in $pys; do
+	echo "=== $py ==="
+	PYTHONPATH=. $py -m pytest --ignore test/test_subprocess.py test 2>&1
+done