diff --git a/requirements.txt b/requirements.txt
index 5dca80b..368674b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -146,7 +146,7 @@ plotly==4.0.0
 pluggy==0.6.0
 ply==3.11
 prompt-toolkit==1.0.15
-protobuf==3.7.1
+protobuf==3.15.0
 protobuf3-to-dict==0.1.5
 psutil==5.4.5
 psycopg2==2.7.5