From 16a79cead68e1d611ee6184d2fcfd1b1e9a48e5d Mon Sep 17 00:00:00 2001
From: Mike Gerber <mike.gerber@sbb.spk-berlin.de>
Date: Mon, 3 Apr 2023 17:28:49 +0200
Subject: [PATCH] =?UTF-8?q?=F0=9F=90=9B=20Fix=20installation=20by=20keepin?=
 =?UTF-8?q?g=20protobuf=20<=204.0?=
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---
 requirements.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/requirements.txt b/requirements.txt
index 3fbf9a3..a42cae4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,6 @@
 tensorflow >= 2.5.0
 numpy < 1.24.0  # XXX https://github.com/OCR-D/ocrd_calamari/issues/87
+protobuf < 4.0  # XXX https://github.com/OCR-D/ocrd_calamari/issues/89
 calamari-ocr == 1.0.*
 setuptools >= 41.0.0  # tensorboard depends on this, but why do we get an error at runtime?
 click