diff --git a/pkgs/development/python-modules/backoff/default.nix b/pkgs/development/python-modules/backoff/default.nix
index c7d1d5373fb1..9671b7b5a267 100644
--- a/pkgs/development/python-modules/backoff/default.nix
+++ b/pkgs/development/python-modules/backoff/default.nix
@@ -1,21 +1,21 @@
-{ lib, buildPythonPackage, fetchFromGitHub, pytestCheckHook, poetry, pytest-asyncio, }:
+{ lib, buildPythonPackage, fetchFromGitHub, pytestCheckHook, poetry, pytest-asyncio, responses }:
 
 buildPythonPackage rec {
   pname = "backoff";
-  version = "1.11.1";
+  version = "2.1.2";
 
   src = fetchFromGitHub {
     owner = "litl";
     repo = pname;
-    rev = "v${version}";
-    sha256 = "sha256-87IMcLaoCn0Vns8Ub/AFmv0gXtS0aPZX0cSt7+lOPm4=";
+    rev = "refs/tags/v${version}";
+    sha256 = "sha256-eKd1g3UxXlpSlNlik80RKXRaw4mZyvAWl3i2GNuZ3hI=";
   };
 
   format = "pyproject";
 
   nativeBuildInputs = [ poetry ];
 
-  checkInputs = [ pytestCheckHook pytest-asyncio ];
+  checkInputs = [ pytestCheckHook pytest-asyncio responses ];
 
   meta = with lib; {
     description = "Function decoration for backoff and retry";