diff --git a/pkgs/development/python-modules/justbackoff/default.nix b/pkgs/development/python-modules/justbackoff/default.nix
new file mode 100644
index 000000000000..814d1d3e53f3
--- /dev/null
+++ b/pkgs/development/python-modules/justbackoff/default.nix
@@ -0,0 +1,41 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, pytestCheckHook
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  pname = "justbackoff";
+  version = "0.6.0";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.8";
+
+  src = fetchFromGitHub {
+    owner = "alexferl";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "097j6jxgl4b3z46x9y9z10643vnr9v831vhagrxzrq6nviil2z6l";
+  };
+
+  checkInputs = [
+    pytestCheckHook
+  ];
+
+  postPatch = ''
+    substituteInPlace setup.py \
+      --replace "pytest-runner>=5.2" ""
+  '';
+
+  pythonImportsCheck = [
+    "justbackoff"
+  ];
+
+  meta = with lib; {
+    description = "Simple backoff algorithm in Python";
+    homepage = "https://github.com/alexferl/justbackoff";
+    license = with licenses; [ mit ];
+    maintainers = with maintainers; [ fab ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index e7b7e9017fac..7e956f79d55f 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -4093,6 +4093,8 @@ in {
 
   jupytext = callPackage ../development/python-modules/jupytext { };
 
+  justbackoff = callPackage ../development/python-modules/justbackoff { };
+
   jwcrypto = callPackage ../development/python-modules/jwcrypto { };
 
   jxmlease = callPackage ../development/python-modules/jxmlease { };