diff --git a/setup.py b/setup.py
index 5365f6a..ed4a4ad 100644
--- a/setup.py
+++ b/setup.py
@@ -27,7 +27,7 @@
     ],
     extras_require={
         'test': [
-            'mypy==1.14.1',
+            'mypy==1.20.2',
             'pytest',
             'pytest-cov',
             'pytest-asyncio',