diff --git a/requirements.txt b/requirements.txt
index 035cd8865..c905a4e43 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -80,7 +80,7 @@ pip==20.3.3
 pluggy==0.13.1
 prometheus-client==0.9.0
 prompt-toolkit==3.0.10
-protobuf==3.14.0
+protobuf==3.18.3
 psutil==5.8.0
 ptyprocess==0.7.0
 py==1.10.0