diff --git a/setup.py b/setup.py
index f4955639e..6cb66df35 100644
--- a/setup.py
+++ b/setup.py
@@ -4,7 +4,7 @@
 EXTRAS_REQUIRE = {
     "tests": ["pytest", "pytz", "simplejson"],
     "lint": [
-        "mypy==1.5.0",
+        "mypy==1.5.1",
         "flake8==6.1.0",
         "flake8-bugbear==23.7.10",
         "pre-commit>=2.4,<4.0",