From d787f2db8edb1cdc1c0db51df29f1248710fe61e Mon Sep 17 00:00:00 2001
From: Chris Wilcox <crwilcox@google.com>
Date: Fri, 17 Sep 2021 12:38:47 -0700
Subject: [PATCH] chore(deps): include six in direct dependencies

---
 setup.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/setup.py b/setup.py
index d679c2727..d0543c1b2 100644
--- a/setup.py
+++ b/setup.py
@@ -40,7 +40,7 @@
     "protobuf < 3.18.0; python_version<'3.0'",
     "protobuf; python_version>='3.6'",
     "googleapis-common-protos < 1.53.0; python_version<'3.0'",
-    "six",
+    "six >= 1.16.0, <2.0.0dev",
 ]
 extras = {}