diff --git a/benchmarks/rnn-serving/python/requirements.txt b/benchmarks/rnn-serving/python/requirements.txt
index 843267b1f..91e512da6 100644
--- a/benchmarks/rnn-serving/python/requirements.txt
+++ b/benchmarks/rnn-serving/python/requirements.txt
@@ -1,6 +1,6 @@
 numpy
 torch
-grpcio==1.45.0
+grpcio==1.53.2
 grpcio-tools==1.45.0
 opentelemetry-api==1.3.0
 opentelemetry-exporter-zipkin==1.3.0