diff --git a/setup.py b/setup.py
index c757b55..ccdf2e7 100644
--- a/setup.py
+++ b/setup.py
@@ -25,7 +25,7 @@
                 'pytest-asyncio>=0.23.5',
                 'pytest-xdist==3.*',
                 'ruff==0.16.5',
-                'mypy==1.14.1',
+                'mypy==2.3.1',
                 'types-pyserial',
             ],
         },