diff --git a/pyproject.toml b/pyproject.toml
index e3810d6a..61d68043 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,8 +29,8 @@ dependencies = [
   "vllm>=0.5.0",
   "prometheus_client==0.20.0",
   "grpcio==1.64.1",
-  "grpcio-health-checking",
-  "grpcio-reflection",
+  "grpcio-health-checking==1.62.1",
+  "grpcio-reflection==1.62.2",
   "transformers",
   "accelerate==0.31.0",
   "hf-transfer==0.1.6",