diff --git a/packages/serialization/form/pyproject.toml b/packages/serialization/form/pyproject.toml
index e2d7db0..4e6adf0 100644
--- a/packages/serialization/form/pyproject.toml
+++ b/packages/serialization/form/pyproject.toml
@@ -32,7 +32,7 @@ microsoft-kiota-abstractions = {path="../../abstractions/", develop=true}
 yapf = ">=0.40.2,<0.44.0"
 isort = ">=5.13.2,<9.0.0"
 pylint = ">=3.2.7,<5.0.0"
-mypy = "^1.11.2"
+mypy = ">=1.11.2,<3.0.0"
 pytest = ">=8.3.2,<10.0.0"
 pytest-asyncio = ">=0.24,<1.4"
 poetry-plugin-mono-repo-deps = ">=0.2.1,<0.4.0"