From fbdc01b6670514418e32a90e39540dcb56f53048 Mon Sep 17 00:00:00 2001
From: Anthonios Partheniou <partheniou@google.com>
Date: Wed, 1 Jun 2022 14:11:09 -0400
Subject: [PATCH] fix(deps): require protobuf <4.0.0dev (#334)

---
 setup.py                    | 3 ++-
 testing/constraints-3.6.txt | 1 +
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/setup.py b/setup.py
index 6392f42e..30fcef41 100644
--- a/setup.py
+++ b/setup.py
@@ -50,7 +50,8 @@
         # Until this issue is closed
         # https://github.com/googleapis/google-cloud-python/issues/10566
         "google-api-core[grpc] >= 1.31.5, <3.0.0dev,!=2.0.*,!=2.1.*,!=2.2.*,!=2.3.0",
-        "proto-plus >= 1.15.0",
+        "proto-plus >= 1.15.0, <2.0.0dev",
+        "protobuf >= 3.19.0, <4.0.0dev",
     ),
     python_requires=">=3.6",
     classifiers=[
diff --git a/testing/constraints-3.6.txt b/testing/constraints-3.6.txt
index b666ca6c..ec8ca201 100644
--- a/testing/constraints-3.6.txt
+++ b/testing/constraints-3.6.txt
@@ -7,3 +7,4 @@
 # Then this file should have foo==1.14.0
 google-api-core==1.31.5
 proto-plus==1.15.0
+protobuf==3.19.0