diff --git a/test/requirements.ci.txt b/test/requirements.ci.txt
index b924a1e3..a7de78f5 100644
--- a/test/requirements.ci.txt
+++ b/test/requirements.ci.txt
@@ -1,6 +1,6 @@
 docker==6.1.3
 grpcio==1.56.0
-protobuf==4.23.3
+protobuf==4.23.4
 requests==2.31.0
 urllib3==2.0.3
 websocket-client==1.6.1