diff --git a/var/spack/repos/builtin/packages/py-acme-tiny/package.py b/var/spack/repos/builtin/packages/py-acme-tiny/package.py
new file mode 100644
index 0000000000..33db049299
--- /dev/null
+++ b/var/spack/repos/builtin/packages/py-acme-tiny/package.py
@@ -0,0 +1,19 @@
+# Copyright 2013-2020 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+from spack import *
+
+
+class PyAcmeTiny(PythonPackage):
+    """A tiny script to issue and renew TLS certs from Let's Encrypt."""
+
+    homepage = "https://github.com/diafygi/acme-tiny"
+    git      = "https://github.com/diafygi/acme-tiny.git"
+
+    version('master', branch='master')
+    version('4.0.4', commit='5350420d35177eda733d85096433a24e55f8d00e')
+
+    depends_on('py-setuptools', type=('build', 'run'))
+    depends_on('py-setuptools-scm', type='build')