diff --git a/pkgs/development/python-modules/magic-wormhole-mailbox-server/default.nix b/pkgs/development/python-modules/magic-wormhole-mailbox-server/default.nix
index 3e4f31dff60a..0a9e26771c4a 100644
--- a/pkgs/development/python-modules/magic-wormhole-mailbox-server/default.nix
+++ b/pkgs/development/python-modules/magic-wormhole-mailbox-server/default.nix
@@ -1,6 +1,7 @@
 { lib
 , buildPythonPackage
 , fetchPypi
+, fetchpatch
 , six
 , attrs
 , twisted
@@ -9,17 +10,30 @@
 , autobahn
 , treq
 , mock
+, pythonOlder
 }:
 
 buildPythonPackage rec {
-  version = "0.4.1";
   pname = "magic-wormhole-mailbox-server";
+  version = "0.4.1";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.7";
 
   src = fetchPypi {
     inherit pname version;
     sha256 = "1af10592909caaf519c00e706eac842c5e77f8d4356215fe9c61c7b2258a88fb";
   };
 
+  patches = [
+    (fetchpatch {
+      # Remove the 'U' open mode removed, https://github.com/magic-wormhole/magic-wormhole-mailbox-server/pull/34
+      name = "fix-for-python-3.11.patch";
+      url = "https://github.com/magic-wormhole/magic-wormhole-mailbox-server/commit/4b358859ba80de37c3dc0a5f67ec36909fd48234.patch";
+      hash = "sha256-RzZ5kD+xhmFYusVzAbGE+CODXtJVR1zN2rZ+VGApXiQ=";
+    })
+  ];
+
   propagatedBuildInputs = [
     attrs
     six
@@ -33,6 +47,7 @@ buildPythonPackage rec {
     mock
     twisted
   ];
+
   checkPhase = ''
     trial -j$NIX_BUILD_CORES wormhole_mailbox_server
   '';
@@ -40,6 +55,7 @@ buildPythonPackage rec {
   meta = with lib; {
     description = "Securely transfer data between computers";
     homepage = "https://github.com/warner/magic-wormhole-mailbox-server";
+    changelog = "https://github.com/magic-wormhole/magic-wormhole-mailbox-server/blob/${version}/NEWS.md";
     license = licenses.mit;
     maintainers = with maintainers; [ SuperSandro2000 ];
   };