diff --git a/pkgs/development/python-modules/cerberus/default.nix b/pkgs/development/python-modules/cerberus/default.nix
index 941979c39903..12536584f051 100644
--- a/pkgs/development/python-modules/cerberus/default.nix
+++ b/pkgs/development/python-modules/cerberus/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, buildPythonPackage, fetchPypi }:
+{ stdenv, buildPythonPackage, fetchPypi, pytestrunner, pytest }:
 
 buildPythonPackage rec {
   pname = "Cerberus";
@@ -9,6 +9,8 @@ buildPythonPackage rec {
     sha256 = "a5b39090fde3ec3294c9d7030b8eda935b42222160a66a922e0c8aea34cabfdf";
   };
 
+  checkInputs = [ pytestrunner pytest ];
+
   meta = with stdenv.lib; {
     homepage = http://python-cerberus.org/;
     description = "Lightweight, extensible schema and data validation tool for Python dictionaries";