diff --git a/pyproject.toml b/pyproject.toml
index dcfb2a4..bc2bd43 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -3,7 +3,7 @@ name = "mrpy-nvim"
 version = "0.1.0"
 description = "Add your description here"
 readme = "README.md"
-requires-python = ">=3.12"
+requires-python = ">=3.11"
 dependencies = [
     "pynvim~=0.6.0",
     "requests>=2.32.5",
diff --git a/rplugin/python3/mrpy/hints.py b/rplugin/python3/mrpy/hints.py
index 25c18f3..84ec821 100644
--- a/rplugin/python3/mrpy/hints.py
+++ b/rplugin/python3/mrpy/hints.py
@@ -1,4 +1,8 @@
-type JSONDataScalar = str | None | float | bool
-type JSONDataList = list[JSONDataScalar | "JSONDataMap" | "JSONDataList"]
-type JSONDataMap = dict[str, JSONDataScalar | JSONDataList | "JSONDataMap"]
-type JSONData = JSONDataMap | JSONDataList
+from __future__ import annotations
+from typing import TypeAlias
+
+
+JSONDataScalar: TypeAlias = str | None | float | bool
+JSONDataList: TypeAlias = list[JSONDataScalar | "JSONDataMap" | "JSONDataList"]
+JSONDataMap: TypeAlias = dict[str, JSONDataScalar | JSONDataList | "JSONDataMap"]
+JSONData: TypeAlias = JSONDataMap | JSONDataList