diff --git a/pkgs/development/python-modules/python-engineio/default.nix b/pkgs/development/python-modules/python-engineio/default.nix
index 91209292772d..e5070ee48abc 100644
--- a/pkgs/development/python-modules/python-engineio/default.nix
+++ b/pkgs/development/python-modules/python-engineio/default.nix
@@ -20,7 +20,7 @@
 
 buildPythonPackage rec {
   pname = "python-engineio";
-  version = "4.11.2";
+  version = "4.12.0";
   pyproject = true;
 
   disabled = pythonOlder "3.8";
@@ -29,7 +29,7 @@ buildPythonPackage rec {
     owner = "miguelgrinberg";
     repo = "python-engineio";
     tag = "v${version}";
-    hash = "sha256-3yCT9u3Bz5QPaDtPe1Ezio+O+wWjQ+4pLh55sYAfnNc=";
+    hash = "sha256-PeVQT1gT2XAPJgR7EDPmN1j2p9hDrwF0LWbqVtgkZ7M=";
   };
 
   build-system = [ setuptools ];
@@ -80,7 +80,7 @@ buildPythonPackage rec {
       bidirectional event-based communication between clients and a server.
     '';
     homepage = "https://github.com/miguelgrinberg/python-engineio/";
-    changelog = "https://github.com/miguelgrinberg/python-engineio/blob/v${version}/CHANGES.md";
+    changelog = "https://github.com/miguelgrinberg/python-engineio/blob/${src.tag}/CHANGES.md";
     license = with licenses; [ mit ];
     maintainers = with maintainers; [ mic92 ];
   };