From 0b7f53a9e28cbbcaa952e3dfc124f38737bb8267 Mon Sep 17 00:00:00 2001
From: Tzu-Wei Huang <huang.dexter@gmail.com>
Date: Mon, 24 Jul 2023 01:18:58 +0800
Subject: [PATCH] Relax protobuf upper pin (v2.5.2)

---
 HISTORY.rst | 12 ++----------
 setup.py    |  2 +-
 2 files changed, 3 insertions(+), 11 deletions(-)

diff --git a/HISTORY.rst b/HISTORY.rst
index 6e93ec4..33e48a8 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -1,16 +1,8 @@
 History
 =======
-2.6.1 (2023-06-18)
+2.5.2 (2023-07-23)
 -------------------
-* Expose use_strict_trace parameter in add_graph (#694)
-* Upgrade to protobuf 4
-* Fix git based package versioning
-* Fix GCS Connection Error #606 (#686)
-
-2.6 (2023-02-12)
--------------------
-* Fixed several deprecation warnings
-* Update dependencies
+* Relax protobuf's version upper bound to < 4
 
 2.5.1 (2022-06-05)
 -------------------
diff --git a/setup.py b/setup.py
index 59255db..15280fc 100644
--- a/setup.py
+++ b/setup.py
@@ -30,7 +30,7 @@ def run(self):
 requirements = [
     'numpy',
     'packaging',
-    'protobuf>=4.22.3',
+    'protobuf<4',
 ]