diff --git a/pkgs/development/python-modules/dpcontracts/default.nix b/pkgs/development/python-modules/dpcontracts/default.nix
new file mode 100644
index 000000000000..5a6491b7ee09
--- /dev/null
+++ b/pkgs/development/python-modules/dpcontracts/default.nix
@@ -0,0 +1,31 @@
+{ lib
+, buildPythonPackage
+, pythonOlder
+, fetchFromGitHub
+}:
+
+buildPythonPackage rec {
+  pname = "dpcontracts";
+  version = "unstable-2018-11-20";
+  format = "setuptools";
+  disabled = pythonOlder "3.5";
+
+  src = fetchFromGitHub {
+    owner = "deadpixi";
+    repo = "contracts";
+    rev = "45cb8542272c2ebe095c6efb97aa9407ddc8bf3c";
+    hash = "sha256-FygJPXo7lZ9tlfqY6KmPJ3PLIilMGLBr3013uj9hCEs=";
+  };
+
+  # package does not have any tests
+  doCheck = false;
+
+  pythonImportsCheck = [ "dpcontracts" ];
+
+  meta = with lib; {
+    description = "Provides a collection of decorators that makes it easy to write software using contracts";
+    homepage = "https://github.com/deadpixi/contracts";
+    license = licenses.lgpl3Only;
+    maintainers = with maintainers; [ gador ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 13d0c0beaca3..66a7941d7294 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -2520,6 +2520,8 @@ in {
 
   dpath = callPackage ../development/python-modules/dpath { };
 
+  dpcontracts = callPackage ../development/python-modules/dpcontracts { };
+
   dpkt = callPackage ../development/python-modules/dpkt { };
 
   dragonfly = callPackage ../development/python-modules/dragonfly { };