diff --git a/pkgs/development/python-modules/twisted/default.nix b/pkgs/development/python-modules/twisted/default.nix
index 678392a3c3fa..4b3c8b3e576f 100644
--- a/pkgs/development/python-modules/twisted/default.nix
+++ b/pkgs/development/python-modules/twisted/default.nix
@@ -55,7 +55,7 @@
 
 buildPythonPackage rec {
   pname = "twisted";
-  version = "24.11.0";
+  version = "25.5.0";
   format = "pyproject";
 
   disabled = pythonOlder "3.6";
@@ -63,7 +63,7 @@ buildPythonPackage rec {
   src = fetchPypi {
     inherit pname version;
     extension = "tar.gz";
-    hash = "sha256-aV0FVtXsV53MRk0oVrY0iA7RMZ9FsQ0ZBD8rV+sBFbU=";
+    hash = "sha256-HesnI1jLa+Hj6PxvnIs2946w+nwiM9Lb4R7G/uBOoxY=";
   };
 
   __darwinAllowLocalNetworking = true;