diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 34be9dc338a..87e9366a743 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -2719,6 +2719,24 @@ let
       license = "BSD-style";
     };
   });
+  
+  dask = buildPythonPackage rec {
+    name = "dask-${version}";
+    version = "0.7.0";
+    
+    src = pkgs.fetchurl {
+      url = "https://pypi.python.org/packages/source/d/dask/${name}.tar.gz";
+      sha256 = "3b48646e9e66ec21a6885700d39ea90e2c2a7ad5d26773a8413b570eb1a67b3e";
+    };
+    
+    propagatedBuildInputs = with self; [numpy toolz dill];
+    
+    meta = {
+      description = "Minimal task scheduling abstraction";
+      homepage = "http://github.com/ContinuumIO/dask/";
+      licenses = licenses.bsd3;
+    };
+  };
 
   datashape = buildPythonPackage rec {
     name = "datashape-${version}";