diff --git a/setup.py b/setup.py
index c7e8c536..4b27b261 100644
--- a/setup.py
+++ b/setup.py
@@ -44,7 +44,7 @@
 ]
 
 grpc_deps = ['grpcio>=1.35,<1.43',
-             'grpcio-tools>=1.35,<1.44',
+             'grpcio-tools>=1.35,<1.47',
              'prometheus_client==0.13.1',
              'click'
              ]