diff --git a/mvp_upload_demo/requirements.txt b/mvp_upload_demo/requirements.txt
index 573b8e3..b38f36b 100644
--- a/mvp_upload_demo/requirements.txt
+++ b/mvp_upload_demo/requirements.txt
@@ -24,7 +24,7 @@ matplotlib==3.1.0
 mock==3.0.5
 numpy==1.16.4
 Pillow==6.0.0
-protobuf==3.8.0
+protobuf==3.18.3
 public==2019.4.13
 pyparsing==2.4.0
 python-dateutil==2.8.0