diff --git a/packages/serialization/form/pyproject.toml b/packages/serialization/form/pyproject.toml
index 35c4346c..7e9fa1aa 100644
--- a/packages/serialization/form/pyproject.toml
+++ b/packages/serialization/form/pyproject.toml
@@ -30,7 +30,7 @@ microsoft-kiota-abstractions = {path="../../abstractions/", develop=true}
 
 [tool.poetry.group.dev.dependencies]
 yapf = ">=0.40.2,<0.44.0"
-isort = "^5.13.2"
+isort = ">=5.13.2,<7.0.0"
 pylint = "^3.2.7"
 mypy = "^1.11.2"
 pytest = "^8.3.2"