diff --git a/requirements.txt b/requirements.txt
index 52a012c..e04cc56 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,6 +2,6 @@ grpcio==1.76.0
 grpcio-health-checking==1.76.0
 grpcio-tools==1.76.0
 prometheus_client==0.23.1
-protobuf==6.33.0
+protobuf==6.33.5
 setuptools==80.9.0
 typing_extensions==4.15.0