diff --git a/test/requirements.ci.txt b/test/requirements.ci.txt
index e9242c26..54a18fc2 100644
--- a/test/requirements.ci.txt
+++ b/test/requirements.ci.txt
@@ -1,6 +1,6 @@
 docker==7.1.0
 grpcio==1.65.1
-protobuf==5.27.2
+protobuf==5.27.3
 requests==2.32.3
 urllib3==2.2.2
 websocket-client==1.8.0