diff --git a/pkgs/development/python-modules/cattrs/default.nix b/pkgs/development/python-modules/cattrs/default.nix
index 9d635cd1c9bb..670f51a6ea90 100644
--- a/pkgs/development/python-modules/cattrs/default.nix
+++ b/pkgs/development/python-modules/cattrs/default.nix
@@ -25,14 +25,14 @@
 
 buildPythonPackage rec {
   pname = "cattrs";
-  version = "25.1.1";
+  version = "25.3.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "python-attrs";
     repo = "cattrs";
     tag = "v${version}";
-    hash = "sha256-kaB/UJcd4E4PUkz6mD53lXtmj4Z4P+Tuu7bSljYVOO4=";
+    hash = "sha256-6oQblSanvSZOMD5ossCP7fNjyxF54SRbU1cQrW1I5Ps=";
   };
 
   build-system = [