diff --git a/var/spack/repos/builtin/packages/py-responses/package.py b/var/spack/repos/builtin/packages/py-responses/package.py
new file mode 100644
index 0000000000..25cb4b337b
--- /dev/null
+++ b/var/spack/repos/builtin/packages/py-responses/package.py
@@ -0,0 +1,25 @@
+# Copyright 2013-2021 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 PyResponses(PythonPackage):
+    """A utility library for mocking out the `requests` Python library."""
+
+    homepage = "https://github.com/getsentry/responses"
+    pypi     = "responses/responses-0.13.3.tar.gz"
+
+    maintainers = ['dorton21']
+
+    version('0.13.3', sha256='18a5b88eb24143adbf2b4100f328a2f5bfa72fbdacf12d97d41f07c26c45553d')
+
+    depends_on('python@2.7:2.8,3.5:', type=('build', 'run'))
+    depends_on('py-setuptools', type='build')
+    depends_on('py-mock', when='^python@:3.2.999', type=('build', 'run'))
+    depends_on('py-cookies', when='^python@:3.3.999', type=('build', 'run'))
+    depends_on('py-requests@2.0:', type=('build', 'run'))
+    depends_on('py-urllib3@1.25.10:', type=('build', 'run'))
+    depends_on('py-six', type=('build', 'run'))