diff --git a/deploy/hps/sdk/pipelines/PP-ChatOCRv3-doc/client/requirements.txt b/deploy/hps/sdk/pipelines/PP-ChatOCRv3-doc/client/requirements.txt
index e505ca1c6b..0dc84fadf0 100644
--- a/deploy/hps/sdk/pipelines/PP-ChatOCRv3-doc/client/requirements.txt
+++ b/deploy/hps/sdk/pipelines/PP-ChatOCRv3-doc/client/requirements.txt
@@ -1,3 +1,3 @@
 # paddlex-hps-client
-protobuf == 3.19.6
+protobuf == 5.29.6
 tritonclient [grpc] == 2.15