diff --git a/human-protein/requirements.txt b/human-protein/requirements.txt
index d586760..826a861 100644
--- a/human-protein/requirements.txt
+++ b/human-protein/requirements.txt
@@ -16,7 +16,7 @@ opencv-python==4.0.0.21
 pandas==0.23.4
 Pillow==6.2.0
 pretrainedmodels==0.7.4
-protobuf==3.6.1
+protobuf==3.15.0
 pyparsing==2.3.0
 python-dateutil==2.7.5
 pytorch-ignite==0.1.2