diff --git a/pyproject.toml b/pyproject.toml
index 43f781b..ae2288c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -94,7 +94,7 @@ known_first_party = ["wikijs"]
 known_third_party = ["pytest", "requests", "pydantic"]
 
 [tool.mypy]
-python_version = "3.9"
+python_version = "3.12"
 warn_return_any = true
 warn_unused_configs = true
 disallow_untyped_defs = true