diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 08c0cfee510..f86b63c254f 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -3142,23 +3142,22 @@ let
 
 
   elasticsearchdsl = buildPythonPackage (rec {
-    name = "elasticsearch-dsl-0.0.3";
+    name = "elasticsearch-dsl-0.0.4";
 
     src = pkgs.fetchurl {
       url = "https://pypi.python.org/packages/source/e/elasticsearch-dsl/${name}.tar.gz";
-      md5 = "6cbc9ed7aefb3ef804be4e3b318b2570";
+      sha256 = "0bz8p10qk7rz10glq9dm2nq9m1x6czzlqk518107x39gx18lm1a2";
     };
 
-    buildInputs = with self; [ covCore dateutil elasticsearch mock pytest pytestcov unittest2 urllib3 ];
+    buildInputs = with self; [ covCore dateutil elasticsearch mock pytest pytestcov unittest2 urllib3 pytz ];
 
     # ImportError: No module named test_elasticsearch_dsl
+    # Tests require a local instance of elasticsearch
     doCheck = false;
 
     meta = {
       description = "Python client for Elasticsearch";
-
       homepage = https://github.com/elasticsearch/elasticsearch-dsl-py;
-
       license = licenses.asl20;
     };
   });