diff --git a/pkgs/development/python-modules/dateutil/default.nix b/pkgs/development/python-modules/dateutil/default.nix
index fc8f5671490..63366d93056 100644
--- a/pkgs/development/python-modules/dateutil/default.nix
+++ b/pkgs/development/python-modules/dateutil/default.nix
@@ -1,15 +1,23 @@
-{ stdenv, buildPythonPackage, fetchPypi, six, setuptools_scm }:
+{ stdenv, buildPythonPackage, fetchPypi, six, setuptools_scm, pytest }:
 buildPythonPackage rec {
   pname = "python-dateutil";
-  version = "2.7.5";
+  version = "2.8.0";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "88f9287c0174266bb0d8cedd395cfba9c58e87e5ad86b2ce58859bc11be3cf02";
+    sha256 = "c89805f6f4d64db21ed966fda138f8a5ed7a4fdbc1a8ee329ce1b74e3c74da9e";
   };
 
+  checkInputs = [ pytest ];
   propagatedBuildInputs = [ six setuptools_scm ];
 
+  checkPhase = ''
+    py.test dateutil/test
+  '';
+
+  # Requires fixing
+  doCheck = false;
+
   meta = with stdenv.lib; {
     description = "Powerful extensions to the standard datetime module";
     homepage = https://pypi.python.org/pypi/python-dateutil;