diff --git a/pyproject.toml b/pyproject.toml
index 1fae92cd..0c2167c7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -31,7 +31,7 @@ service = ["fastapi", "uvicorn"]
 # For development tests/docs
 dev = [
     "black==22.3.0",
-    "mypy<1",
+    "mypy<2",
     "flake8-isort",
     "Flake8-pyproject",
     "pipdeptree",