diff --git a/requirements.txt b/requirements.txt
index d99e42e..5c44e15 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -95,7 +95,7 @@ pluggy==0.13.1
 pprint==0.1
 prometheus-client==0.7.1
 prompt-toolkit==3.0.3
-protobuf==3.11.3
+protobuf==3.18.3
 psutil==5.7.0
 ptyprocess==0.6.0
 py==1.8.1