diff --git a/docker/requirements.txt b/docker/requirements.txt
index 2bf19fa7..6572e2ae 100644
--- a/docker/requirements.txt
+++ b/docker/requirements.txt
@@ -8,6 +8,6 @@ paddle-serving-client
 paddle-serving-server-gpu
 paddlepaddle-gpu==1.8.0.post107
 pathlib2==2.3.5
-protobuf==3.8.0
+protobuf==3.18.3
 psutil
 redis