diff --git a/python/setup.py b/python/setup.py
index 3204555167..7370d07213 100644
--- a/python/setup.py
+++ b/python/setup.py
@@ -33,7 +33,7 @@
         "opentracing >= 2.2.0, < 2.5.0",
         "jaeger-client >= 4.1.0, < 4.5.0",
         "grpcio-opentracing >= 1.1.4, < 1.2.0",
-        "grpcio-reflection < 1.35.0",
+        "grpcio-reflection < 1.52.0",
         "gunicorn >= 19.9.0, < 20.2.0",
         "setuptools >= 41.0.0",
         "prometheus_client >= 0.7.1, < 0.9.0",