diff --git a/pkgs/development/python-modules/preshed/default.nix b/pkgs/development/python-modules/preshed/default.nix
new file mode 100644
index 000000000000..d82408e620ea
--- /dev/null
+++ b/pkgs/development/python-modules/preshed/default.nix
@@ -0,0 +1,37 @@
+{ stdenv
+, buildPythonPackage
+, fetchPypi
+, pytest
+, cython
+, cymem
+, python
+}:
+buildPythonPackage rec {
+  name = "${pname}-${version}";
+  pname = "preshed";
+  version = "1.0.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1pdl4p2d32ficfh18xdkgsj6ajzdxc6mxhhf84z0wq1l8viskcx6";
+  };
+
+  propagatedBuildInputs = [
+   cython
+   cymem
+  ];
+  buildInputs = [
+    pytest
+  ];
+
+  checkPhase = ''
+    ${python.interpreter} setup.py test
+  '';
+  
+  meta = with stdenv.lib; {
+    description = "Cython hash tables that assume keys are pre-hashed";
+    homepage = https://github.com/explosion/preshed;
+    license = licenses.mit;
+    maintainers = with maintainers; [ sdll ];
+    };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 3f944c7077f7..9a394641373e 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -28721,8 +28721,12 @@ EOF
 
   murmurhash = callPackage ../development/python-modules/murmurhash { };      
 
+
   plac = callPackage ../development/python-modules/plac { };        
 
+
+  preshed = callPackage ../development/python-modules/preshed { };
+
 });
 
 in fix' (extends overrides packages)