diff --git a/_integration-tests/utils/agent/requirements.txt b/_integration-tests/utils/agent/requirements.txt
index 7c2207ef..b081eab1 100644
--- a/_integration-tests/utils/agent/requirements.txt
+++ b/_integration-tests/utils/agent/requirements.txt
@@ -11,7 +11,7 @@ frozenlist==1.4.1
 idna==3.10
 msgpack==1.1.0
 multidict==6.1.0
-protobuf==5.28.2
+protobuf==5.28.3
 requests==2.32.3
 six==1.16.0
 typing_extensions==4.12.2