diff --git a/pkgs/development/python-modules/attrs/default.nix b/pkgs/development/python-modules/attrs/default.nix
index 345d287f9c1a..275ec8412c7a 100644
--- a/pkgs/development/python-modules/attrs/default.nix
+++ b/pkgs/development/python-modules/attrs/default.nix
@@ -9,12 +9,12 @@
 
 buildPythonPackage rec {
   pname = "attrs";
-  version = "25.4.0";
+  version = "26.1.0";
   pyproject = true;
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-FtWWm4fwhZ7zOkizXVWsG+bkKuSdXoU7WX23DDXFfhE=";
+    hash = "sha256-0DzricsyKo/XBtT7kZQHN7ZkKqNpmP4TCpvJbJhe/zI=";
   };
 
   patches = [