diff --git a/pkgs/development/python-modules/firedrake/default.nix b/pkgs/development/python-modules/firedrake/default.nix
index ed82a24db2c3..21864dfe0891 100644
--- a/pkgs/development/python-modules/firedrake/default.nix
+++ b/pkgs/development/python-modules/firedrake/default.nix
@@ -59,20 +59,20 @@ let
 in
 buildPythonPackage (finalAttrs: {
   pname = "firedrake";
-  version = "2025.10.2";
+  version = "2025.10.3";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "firedrakeproject";
     repo = "firedrake";
     tag = finalAttrs.version;
-    hash = "sha256-A0dr9A1fm74IzpYiVxzdo4jtELYH7JBeRMOD9uYJODQ=";
+    hash = "sha256-9AkyVM0dpjdQqpuOBN60lCKIZJR0HXpp0g1Am/xUwbI=";
   };
 
   # relax build-dependency petsc4py
   postPatch = ''
     substituteInPlace pyproject.toml --replace-fail \
-      "petsc4py==3.24.0" "petsc4py"
+      "petsc4py==3.24.5" "petsc4py"
   '';
 
   pythonRelaxDeps = [