diff --git a/app/python/requirements.txt b/app/python/requirements.txt
index f39fd4a..bc93adc 100644
--- a/app/python/requirements.txt
+++ b/app/python/requirements.txt
@@ -11,7 +11,7 @@ Markdown==3.1.1
 mock==3.0.5
 numpy==1.16.4
 #opencv-python==3.4.4.19
-protobuf==3.8.0
+protobuf==3.15.0
 psutil==5.6.3
 PyYAML==5.1.1
 six==1.12.0