diff --git a/setup.py b/setup.py
index 5c9ce83..baa56ad 100644
--- a/setup.py
+++ b/setup.py
@@ -35,7 +35,7 @@
     extras_require={
         "dev": [
             "black==23.7.0",
-            "mypy==1.1.1",
+            "mypy==1.5.1",
             "nox",
             "types-setuptools",
             "ruff==0.0.286",