diff --git a/requirements.txt b/requirements.txt
index 02000304..5a3d397d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -126,7 +126,7 @@ ply==3.11
 prettytable==0.7.2
 prometheus-client==0.6.0
 prompt-toolkit==2.0.9
-protobuf==3.7.1
+protobuf==3.15.0
 psutil==5.6.1
 ptyprocess==0.6.0
 py==1.8.0