diff --git a/pkgs/development/python-modules/cdecimal/default.nix b/pkgs/development/python-modules/cdecimal/default.nix
new file mode 100644
index 000000000000..2c0b0e623ca9
--- /dev/null
+++ b/pkgs/development/python-modules/cdecimal/default.nix
@@ -0,0 +1,25 @@
+{ stdenv, fetchurl, wget, buildPythonPackage, isPy3k }:
+
+with stdenv.lib;
+
+buildPythonPackage rec {
+  pname = "cdecimal";
+  version = "2.3";
+
+  disabled = isPy3k;
+
+  src = fetchurl {
+    url="http://www.bytereef.org/software/mpdecimal/releases/${pname}-${version}.tar.gz";
+    sha256 = "d737cbe43ed1f6ad9874fb86c3db1e9bbe20c0c750868fde5be3f379ade83d8b";
+  };
+
+  # Upstream tests are not included s. a. http://www.bytereef.org/mpdecimal/testing.html
+  doCheck = false;
+
+  meta = with stdenv.lib; {
+    description = "Fast drop-in replacement for decimal.py";
+    homepage    = http://www.bytereef.org/mpdecimal/;
+    license     = licenses.bsd2;
+    maintainers = [ maintainers.udono ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 4e30f2057f58..998aac285c42 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -223,6 +223,8 @@ in {
 
   bugseverywhere = callPackage ../applications/version-management/bugseverywhere {};
 
+  cdecimal = callPackage ../development/python-modules/cdecimal { };
+
   dendropy = callPackage ../development/python-modules/dendropy { };
 
   dbf = callPackage ../development/python-modules/dbf { };