diff --git a/pyproject.toml b/pyproject.toml
index 5c2a584..7a3e847 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -36,7 +36,7 @@ chevron = "=0.14.0"
 pytest = ">=2.8"
 pytest-cov = ">=2.4.0"
 pytest-mypy = "==1.0.1"
-mypy = "==1.17.0"
+mypy = "==1.17.1"
 pycodestyle = "^2.12.1"
 isort = ">=5.13.2,<7.0.0"