diff --git a/pyproject.toml b/pyproject.toml
index 543ba15c1dd4f..72cc690d233ff 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -51,7 +51,7 @@ Documentation = "https://fastapi.tiangolo.com/"
 test = [
     "pytest >=7.1.3,<8.0.0",
     "pytest-cov >=2.12.0,<5.0.0",
-    "mypy ==0.982",
+    "mypy ==0.990",
     "flake8 >=3.8.3,<6.0.0",
     "black == 22.8.0",
     "isort >=5.0.6,<6.0.0",