diff --git a/requirements.txt b/requirements.txt
index cac7614..f7baed1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,6 +16,7 @@ httpx>=0.26.0
 filelock==3.13.1
 torch==1.7.1+cu110
 torchvision==0.8.2+cu110
+protobuf==3.20.3
 -f https://download.pytorch.org/whl/torch_stable.html
 # supervisely==6.73.111
 # for development