diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index db4c2e70c92..8805c49ead3 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -1057,17 +1057,17 @@ let
   };
 
   responses = self.buildPythonPackage rec {
-    name = "responses-0.2.2";
-
-    propagatedBuildInputs = with self; [ requests mock six pytest flake8 ];
-
-    doCheck = false;
+    name = "responses-0.4.0";
 
     src = pkgs.fetchurl {
-      url = "https://pypi.python.org/packages/source/r/responses/responses-0.2.2.tar.gz";
-      md5 = "5d79fd425cf8d858dfc8afa6475395d3";
+      url = "https://pypi.python.org/packages/source/r/responses/${name}.tar.gz";
+      sha256 = "0fs7a4cf4f12mjhcjd5vfh0f3ixcy2nawzxpgsfr3ahf0rg7ppx5";
     };
 
+    propagatedBuildInputs = with self; [ cookies mock requests2 six ];
+
+    doCheck = false;
+
   };
 
   rarfile = self.buildPythonPackage rec {