diff --git a/pyproject.toml b/pyproject.toml
index 45102b4b..052cd7bd 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,7 +22,7 @@ pytest = ">=9.0.3"
 tox = ">=4.30.3"
 flake8 = ">=7.3.0"
 types-python-dateutil = ">=2.8.19"
-mypy = "1.4.1"
+mypy = "2.3.1"
 
 
 [build-system]