diff --git a/pkgs/development/python-modules/cerberus/default.nix b/pkgs/development/python-modules/cerberus/default.nix
new file mode 100644
index 00000000000..6b3128cac9c
--- /dev/null
+++ b/pkgs/development/python-modules/cerberus/default.nix
@@ -0,0 +1,17 @@
+{ stdenv, buildPythonPackage, fetchPypi }:
+
+buildPythonPackage rec {
+  pname = "Cerberus";
+  version = "0.9.2";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1km7hvns1snrmcwz58bssi4wv3gwd34zm1z1hwjylmpqrfrcf8mi";
+  };
+
+  meta = with stdenv.lib; {
+    homepage = http://python-cerberus.org/;
+    description = "Lightweight, extensible schema and data validation tool for Python dictionaries";
+    license = licenses.mit;
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 751d427ecfd..6d970abc6ac 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -1522,21 +1522,7 @@ in {
 
   celery = callPackage ../development/python-modules/celery { pytest = self.pytest_32; };
 
-  cerberus = buildPythonPackage rec {
-    name = "Cerberus-${version}";
-    version = "0.9.2";
-
-    src = pkgs.fetchurl {
-      url = "mirror://pypi/C/Cerberus/${name}.tar.gz";
-      sha256 = "1km7hvns1snrmcwz58bssi4wv3gwd34zm1z1hwjylmpqrfrcf8mi";
-    };
-
-    meta = {
-      homepage = http://python-cerberus.org/;
-      description = "Lightweight, extensible schema and data validation tool for Python dictionaries";
-      license = licenses.mit;
-    };
-  };
+  cerberus = callPackage ../development/python-modules/cerberus { };
 
   certifi = callPackage ../development/python-modules/certifi { };