diff --git a/requirements.txt b/requirements.txt
index 2dc20f6..b4bdf5c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -145,7 +145,7 @@ progressbar==2.5
 prometheus-client==0.7.1
 promise==2.3
 prompt-toolkit==3.0.5
-protobuf==3.11.2
+protobuf==3.18.3
 psutil==5.6.7
 ptyprocess==0.6.0
 py==1.8.0