diff --git a/requirements.txt b/requirements.txt
index 165cfaf..f083719 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -115,7 +115,7 @@ pre-commit==2.4.0
 progressbar2==3.51.3
 prometheus-client==0.8.0
 prompt-toolkit==3.0.7
-protobuf==3.12.1
+protobuf==3.18.3
 psutil==5.7.2
 ptyprocess==0.6.0
 py==1.9.0