diff --git a/pyproject.toml b/pyproject.toml
index f022093ed..83fe6bf55 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -52,7 +52,7 @@ dev = [
     "freezegun==1.5.5",
     "furo==2025.12.19",
     "interrogate==1.7.0",
-    "mypy==2.3.1",
+    "mypy==2.4.0",
     "mypy-strict-kwargs==2026.8.25.1",
     "no-defaults==2026.9.1",
     "prek==0.5.4",