diff --git a/requirements.txt b/requirements.txt
index 06943fe..9a58cf1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -123,7 +123,7 @@ pluggy==0.13.1
 portalocker==1.5.2
 prometheus-client==0.7.1
 prompt-toolkit==2.0.10
-protobuf==3.11.2
+protobuf==3.18.3
 psutil==5.7.0
 ptyprocess==0.6.0
 pyasn1==0.4.8