diff --git a/requirements.txt b/requirements.txt
index affd8aa..e781a0d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -75,7 +75,7 @@ pkginfo==1.5.0.1
 pluggy==0.12.0
 prometheus-client==0.7.1
 prompt-toolkit==3.0.2
-protobuf==3.11.1
+protobuf==3.18.3
 psutil==5.6.7
 ptyprocess==0.6.0
 py==1.8.0