diff --git a/pyproject.toml b/pyproject.toml
index 30db9673c..b7c170d4a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -9,7 +9,7 @@ packages = [{include = "databricks", from = "src"}]
 include = ["CHANGELOG.md"]
 
 [tool.poetry.dependencies]
-python = "^3.7.1"
+python = ">3.7.1,<3.10"
 thrift = "^0.13.0"
 pyarrow = "^5.0.0"
 pandas = "^1.3.0"
@@ -28,4 +28,4 @@ ignore_missing_imports = "true"
 exclude = ['ttypes\.py$', 'TCLIService\.py$']
 
 [tool.black]
-exclude = '/(\.eggs|\.git|\.hg|\.mypy_cache|\.nox|\.tox|\.venv|\.svn|_build|buck-out|build|dist|thrift_api)/'
\ No newline at end of file
+exclude = '/(\.eggs|\.git|\.hg|\.mypy_cache|\.nox|\.tox|\.venv|\.svn|_build|buck-out|build|dist|thrift_api)/'