diff --git a/backend/python/vllm/requirements.txt b/backend/python/vllm/requirements.txt
index 44734ac01..2439df8cd 100644
--- a/backend/python/vllm/requirements.txt
+++ b/backend/python/vllm/requirements.txt
@@ -1,4 +1,4 @@
-grpcio==1.80.0
+grpcio==1.81.0
 protobuf
 certifi
 setuptools