diff --git a/requirements.txt b/requirements.txt
index 7ff21de..80d0554 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -108,7 +108,7 @@ prettytable==2.0.0
 prometheus-client==0.7.1
 promise==2.3
 prompt-toolkit==2.0.9
-protobuf==3.14.0
+protobuf==3.18.3
 psutil==5.8.0
 ptyprocess==0.6.0
 pyasn1==0.4.8