diff --git a/requirements-dev.txt b/requirements-dev.txt
index 480d84a..6dedca9 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -5,7 +5,7 @@ ruff>=0.16.3
 pytest>=9.1.1
 pytest-cov>=7.1.0
 pytest-xdist>=3.8.0
-mypy>=2.3.0
+mypy>=2.3.1
 radon>=6.0.1
 deptry>=0.25.1
 bandit>=1.7