diff --git a/setup.py b/setup.py
index 820aeb53..f9a14425 100644
--- a/setup.py
+++ b/setup.py
@@ -108,6 +108,7 @@ def do_setup():
             "numpy>=1.23.2;python_version>='3.11'",
             "Pillow>=9.2.0",
             "pyarrow>=13.0.0",
+            "pydantic>=2.1.0",
             "pytz>=2021.1",
             "requests>=2.28.1,<3",
             # It is not obvious but dynaconf requires pkg_resources from setuptools.