diff --git a/pyproject.toml b/pyproject.toml
index f98c4ee..7f2fa2b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -52,7 +52,7 @@ requires-python = ">=3.8"
 [project.optional-dependencies]
 dev = [
   "isort==5.12.0",
-  "mypy==1.5.1",
+  "mypy==1.6.0",
   "mypy-extensions>=0.4.3",
   "pre-commit>=2.20.0",
   "pylint",