diff --git a/pkgs/development/python-modules/sudachipy/default.nix b/pkgs/development/python-modules/sudachipy/default.nix
index 9420c5d20b8b..e517bc836a67 100644
--- a/pkgs/development/python-modules/sudachipy/default.nix
+++ b/pkgs/development/python-modules/sudachipy/default.nix
@@ -9,6 +9,7 @@
   sudachi-rs,
   setuptools-rust,
   pytestCheckHook,
+  pythonAtLeast,
   sudachidict-core,
   tokenizers,
   sudachipy,
@@ -19,6 +20,8 @@ buildPythonPackage rec {
   pname = "sudachipy";
   inherit (sudachi-rs) src version;
 
+  disabled = pythonAtLeast "3.14"; # The pyo3 version used does not support 3.14+
+
   patches = sudachi-rs.cargoPatches;
 
   cargoDeps = rustPlatform.fetchCargoVendor {