diff --git a/requirements-dev.txt b/requirements-dev.txt
index 4eee453..7147bbd 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,3 +1,3 @@
 -r requirements.txt
 
-mypy==1.16.1
+mypy==1.17.0
diff --git a/setup.cfg b/setup.cfg
index b95a08a..1b6f3ed 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -48,7 +48,7 @@ install_requires =
 [options.extras_require]
 testing =
   coverage == 7.9.2
-  mypy == 1.16.1
+  mypy == 1.17.0
 
 [options.entry_points]
 pytest11 =