diff --git a/pkgs/development/python-modules/async_stagger/default.nix b/pkgs/development/python-modules/async_stagger/default.nix
new file mode 100644
index 00000000000..034a8329b12
--- /dev/null
+++ b/pkgs/development/python-modules/async_stagger/default.nix
@@ -0,0 +1,44 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, fetchpatch
+, pythonOlder
+, pytestCheckHook
+, pytest-asyncio
+, pytest-mock
+}:
+
+buildPythonPackage rec {
+  pname = "async_stagger";
+  version = "0.3.0";
+  disabled = pythonOlder "3.6";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "007l54fbk2dfzv3vmqz98m1i37mzxkkva5r4fiwq2pg8nb61fy0w";
+  };
+
+  patches = [
+    (fetchpatch {
+      # Fix test failures on Python 3.8
+      # https://github.com/twisteroidambassador/async_stagger/issues/4
+      url = "https://github.com/twisteroidambassador/async_stagger/commit/736ab20ff9c172628d911f1e6f72420399ec9631.patch";
+      sha256 = "1ygqd9n56sj83lvgmv6nrx3m0sp3646s5k7z697qx43xslixj731";
+    })
+  ];
+
+  checkInputs = [
+    pytestCheckHook
+    pytest-asyncio
+    pytest-mock
+  ];
+
+  pythonImportsCheck = [ "async_stagger" ];
+
+  meta = with lib; {
+    description = "Happy Eyeballs connection algorithm and underlying scheduling logic in asyncio";
+    homepage = "https://github.com/twisteroidambassador/async_stagger";
+    license = licenses.mit;
+    maintainers = with maintainers; [ hexa ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 86da8934719..1c8fee71e3e 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -432,6 +432,8 @@ in {
 
   asyncssh = callPackage ../development/python-modules/asyncssh { };
 
+  async_stagger = callPackage ../development/python-modules/async_stagger { };
+
   asynctest = callPackage ../development/python-modules/asynctest { };
 
   async-timeout = callPackage ../development/python-modules/async_timeout { };