From bc429ce5226e7ab9e762548a4f29c0682e392c75 Mon Sep 17 00:00:00 2001
From: Neil Girdhar <mistersheik@gmail.com>
Date: Thu, 11 Nov 2021 09:53:31 -0500
Subject: [PATCH] Update packaging requirement to support >= 20.4 (e.g. 21.0)
 (#4362)

---
 pyproject.toml | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pyproject.toml b/pyproject.toml
index 73ede4fd24a..6e29eac9e89 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -43,9 +43,11 @@ html5lib = "^1.0"
 shellingham = "^1.1"
 tomlkit = ">=0.7.0,<1.0.0"
 pexpect = "^4.7.0"
-packaging = "^20.4"
+# Leave unclamped since packaging doesn't follow semantic versioning.
+packaging = ">=20.4"
 # exclude 20.4.5 - 20.4.6 due to https://github.com/pypa/pip/issues/9953
 virtualenv = "(>=20.4.3,<20.4.5 || >=20.4.7)"
+# Leave unclamped since keyring doesn't follow semantic versioning.
 keyring = ">=21.2.0"
 entrypoints = "^0.3"
 importlib-metadata = {version = "^1.6.0", python = "<3.8"}