diff --git a/pkgs/development/python-modules/heapdict/default.nix b/pkgs/development/python-modules/heapdict/default.nix
new file mode 100644
index 000000000000..34c01091ddf2
--- /dev/null
+++ b/pkgs/development/python-modules/heapdict/default.nix
@@ -0,0 +1,20 @@
+{ stdenv, buildPythonPackage, fetchPypi, isPy3k }:
+
+buildPythonPackage rec {
+  pname = "HeapDict";
+  version = "1.0.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "0nhvxyjq6fp6zd7jzmk5x4fg6xhakqx9lhkp5yadzkqn0rlf7ja0";
+  };
+
+  doCheck = !isPy3k;
+
+  meta = with stdenv.lib; {
+    description = "a heap with decrease-key and increase-key operations.";
+    homepage = http://stutzbachenterprises.com;
+    license = licenses.bsd3;
+    maintainers = with maintainers; [ teh ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 20e61ca87203..02b90ec0ba5d 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -2005,22 +2005,7 @@ in {
 
   datrie = callPackage ../development/python-modules/datrie { };
 
-  heapdict = buildPythonPackage rec {
-    name = "HeapDict-${version}";
-    version = "1.0.0";
-
-    src = pkgs.fetchurl {
-      url = "mirror://pypi/H/HeapDict/${name}.tar.gz";
-      sha256 = "0nhvxyjq6fp6zd7jzmk5x4fg6xhakqx9lhkp5yadzkqn0rlf7ja0";
-    };
-    doCheck = !isPy3k;
-    meta = {
-      description = "a heap with decrease-key and increase-key operations.";
-      homepage = http://stutzbachenterprises.com;
-      license = licenses.bsd3;
-      maintainers = with maintainers; [ teh ];
-    };
-  };
+  heapdict = callPackage ../development/python-modules/heapdict { };
 
   zict = buildPythonPackage rec {