diff --git a/requirements.txt b/requirements.txt
index a5ba803..b850091 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,7 +18,7 @@ Markdown==3.1.1
 matplotlib==3.1.1
 numpy==1.16.4
 promise==2.2.1
-protobuf==3.8.0
+protobuf==3.15.0
 psutil==5.6.3
 pyparsing==2.4.0
 python-dateutil==2.8.0