diff --git a/pkgs/development/python-modules/requests-cache/default.nix b/pkgs/development/python-modules/requests-cache/default.nix
new file mode 100644
index 00000000000..c8886b75d64
--- /dev/null
+++ b/pkgs/development/python-modules/requests-cache/default.nix
@@ -0,0 +1,21 @@
+{ stdenv, buildPythonPackage, fetchPypi
+, mock, requests, six, urllib3 }:
+
+buildPythonPackage rec {
+  pname = "requests-cache";
+  version = "0.4.13";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "18jpyivnq5pjbkymk3i473rihpj2bgikafpha7xvr6w736hiqmpy";
+  };
+
+  buildInputs = [ mock ];
+  propagatedBuildInputs = [ requests six urllib3 ];
+
+  meta = with stdenv.lib; {
+    description = "Persistent cache for requests library";
+    homepage = https://pypi.python.org/pypi/requests-cache;
+    license = licenses.bsd3;
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index badb4a7911c..9cd94f5be91 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -2057,25 +2057,7 @@ in {
 
   datashape = callPackage ../development/python-modules/datashape { };
 
-  requests-cache = buildPythonPackage (rec {
-    name = "requests-cache-${version}";
-    version = "0.4.13";
-
-    src = pkgs.fetchurl {
-      url = "mirror://pypi/r/requests-cache/${name}.tar.gz";
-      sha256 = "18jpyivnq5pjbkymk3i473rihpj2bgikafpha7xvr6w736hiqmpy";
-    };
-
-    buildInputs = with self; [ mock ];
-
-    propagatedBuildInputs = with self; [ requests six urllib3 ];
-
-    meta = {
-      description = "Persistent cache for requests library";
-      homepage = https://pypi.python.org/pypi/requests-cache;
-      license = licenses.bsd3;
-    };
-  });
+  requests-cache = callPackage ../development/python-modules/requests-cache { };
 
   requests-unixsocket = callPackage ../development/python-modules/requests-unixsocket {};