diff --git a/requirements.txt b/requirements.txt
index b7b22ac..850d0b2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -186,7 +186,7 @@ prettytable==0.7.2
 prometheus-client==0.7.1
 prometheus-flask-exporter==0.13.0
 prompt-toolkit==3.0.4
-protobuf==3.11.3
+protobuf==3.15.0
 psutil==5.7.0
 psycopg2==2.7.6.1
 ptyprocess==0.6.0