diff --git a/requirements.txt b/requirements.txt
index 034a7b3..834db1c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -55,7 +55,7 @@ pluggy==0.13.1
 prettytable==0.7.2
 prometheus-client==0.7.1
 prompt-toolkit==2.0.10
-protobuf==3.11.0
+protobuf==3.18.3
 psutil==5.6.7
 ptyprocess==0.6.0
 py==1.8.0