diff --git a/pyproject.toml b/pyproject.toml
index d96b358d..bdc2df54 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -173,7 +173,7 @@ known-third-party = [
 
 [tool.mypy]
 files = "cubed"
-python_version = "3.11"
+python_version = "3.12"
 strict = false
 enable_error_code = ["truthy-bool"]
 ignore_missing_imports = true