diff --git a/pkgs/development/python-modules/sphinx/default.nix b/pkgs/development/python-modules/sphinx/default.nix
index 89b0fd56da36..d6a5c137cdb0 100644
--- a/pkgs/development/python-modules/sphinx/default.nix
+++ b/pkgs/development/python-modules/sphinx/default.nix
@@ -42,10 +42,10 @@
 
 buildPythonPackage rec {
   pname = "sphinx";
-  version = "8.2.3";
+  version = "9.1.0";
   pyproject = true;
 
-  disabled = pythonOlder "3.11";
+  disabled = pythonOlder "3.12";
 
   src = fetchFromGitHub {
     owner = "sphinx-doc";
@@ -58,7 +58,7 @@ buildPythonPackage rec {
       mv tests/roots/test-images/{testimäge,testimæge}.png
       sed -i 's/testimäge/testimæge/g' tests/{test_build*.py,roots/test-images/index.rst}
     '';
-    hash = "sha256-FoyCpDGDKNN2GMhE7gDpJLmWRWhbMCYlcVEaBTfXSEw=";
+    hash = "sha256-PgqjCeyHOhWtZjyzSZyvsPT0Q7yRyNDiW3x1fQq0K+8=";
   };
 
   build-system = [ flit-core ];