diff --git a/pkgs/development/python-modules/python-engineio/default.nix b/pkgs/development/python-modules/python-engineio/default.nix
index 0337029e248e..f1a079d5896e 100644
--- a/pkgs/development/python-modules/python-engineio/default.nix
+++ b/pkgs/development/python-modules/python-engineio/default.nix
@@ -4,6 +4,7 @@
 , buildPythonPackage
 , eventlet
 , fetchFromGitHub
+, fetchpatch
 , iana-etc
 , libredirect
 , mock
@@ -24,10 +25,19 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "miguelgrinberg";
     repo = "python-engineio";
-    rev = "v${version}";
+    rev = "refs/tags/v${version}";
     hash = "sha256-fymO9WqkYaRsHKCJHQJpySHqZor2t8BfVrfYUfYoJno=";
   };
 
+  patches = [
+    # Address Python 3.11 mocking issue, https://github.com/miguelgrinberg/python-engineio/issues/279
+    (fetchpatch {
+      name = "mocking-issue-py311.patch";
+      url = "https://github.com/miguelgrinberg/python-engineio/commit/ac3911356fbe933afa7c11d56141f0e228c01528.patch";
+      hash = "sha256-LNMhjX8kqOI3y8XugCHxCPEC6lF83NROfIczXWiLuqY=";
+    })
+  ];
+
   nativeCheckInputs = [
     aiohttp
     eventlet