diff --git a/setup.py b/setup.py
index 3accdf433bc..50f6bca4e40 100644
--- a/setup.py
+++ b/setup.py
@@ -105,6 +105,7 @@ def find_python_files(base: Path) -> List[Path]:
         "dataclasses>=0.6; python_version < '3.7'",
         "typing_extensions>=3.10.0.0; python_version < '3.10'",
         "mypy_extensions>=0.4.3",
+        "packaging>=21.0",
     ],
     extras_require={
         "d": ["aiohttp>=3.7.4"],