diff --git a/tree_sitter/__init__.pyi b/tree_sitter/__init__.pyi
index 3e3ac10..cc310e5 100644
--- a/tree_sitter/__init__.pyi
+++ b/tree_sitter/__init__.pyi
@@ -1,6 +1,7 @@
 from enum import IntEnum
 from collections.abc import ByteString, Callable, Iterator, Sequence
 from typing import Annotated, Any, Final, Literal, NamedTuple, Protocol, Self, final, overload
+from typing_extensions import deprecated
 
 class _SupportsFileno(Protocol):
     def fileno(self) -> int: ...
@@ -15,8 +16,12 @@ class LogType(IntEnum):
 
 @final
 class Language:
-    # TODO(0.25): ptr: Callable[[], CapsuleType] | CapsuleType
-    def __init__(self, ptr: Annotated[int | object, "TSLanguage *"], /) -> None: ...
+    # TODO(0.25): ptr: Callable[[], object] | object
+    @overload
+    @deprecated("int argument support is deprecated")
+    def __init__(self, ptr: Annotated[int, "TSLanguage *"], /) -> None: ...
+    @overload
+    def __init__(self, ptr: Annotated[object, "TSLanguage *"], /) -> None: ...
 
     # TODO(0.25): implement name
     # @property
diff --git a/tree_sitter/binding/language.c b/tree_sitter/binding/language.c
index b8cb79e..858ddb8 100644
--- a/tree_sitter/binding/language.c
+++ b/tree_sitter/binding/language.c
@@ -16,6 +16,9 @@ int language_init(Language *self, PyObject *args, PyObject *Py_UNUSED(kwargs)) {
             }
             return -1;
         }
+        if (DEPRECATE("int argument support is deprecated") < 0) {
+            return -1;
+        }
         self->language = PyLong_AsVoidPtr(language);
     }