diff --git a/python/setup.py b/python/setup.py
index 91a0ba56a1..19191b2041 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, < 4.4.0",
         "grpcio-opentracing >= 1.1.4, < 1.2.0",
-        "grpcio-reflection==1.33.2",
+        "grpcio-reflection==1.34.0",
         "PyYAML<5.4",
         "gunicorn >= 19.9.0, < 20.1.0",
         "setuptools >= 41.0.0",