diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 9aa31d5a99c..76dfd30a42a 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -8112,6 +8112,15 @@ let
     };
   };
 
+  multiprocessing = buildPythonPackage rec {
+    name = "multiprocessing-2.6.2.1";
+
+    src = pkgs.fetchurl {
+      url = "https://pypi.python.org/packages/source/m/multiprocessing/${name}.tar.gz";
+      md5 = "5cc484396c040102116ccc2355379c72";
+    };
+  };
+
   munkres = buildPythonPackage rec {
     name = "munkres-1.0.6";