diff --git a/requirements.txt b/requirements.txt
index 6e5092d..7fdc146 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -85,7 +85,7 @@ plumbum==1.7.0
 prometheus-client==0.9.0
 prompt-toolkit==3.0.17
 proto-plus==1.17.0
-protobuf==3.15.6
+protobuf==3.18.3
 py==1.10.0
 pyasn1==0.4.8
 pyasn1-modules==0.2.8