diff --git a/pkgs/development/python-modules/sphinx/default.nix b/pkgs/development/python-modules/sphinx/default.nix
index 5d4b4d581fa4..7402fa2b3103 100644
--- a/pkgs/development/python-modules/sphinx/default.nix
+++ b/pkgs/development/python-modules/sphinx/default.nix
@@ -135,6 +135,7 @@ buildPythonPackage rec {
     # Racy local networking
     "test_load_mappings_cache"
     "test_load_mappings_cache_update"
+    "test_load_mappings_cache_revert_update"
   ]
   ++ lib.optionals (pythonAtLeast "3.12") [
     # https://github.com/sphinx-doc/sphinx/issues/12430