diff --git a/setup.py b/setup.py
index 9bad746c74..9c7dd1b6ec 100644
--- a/setup.py
+++ b/setup.py
@@ -76,7 +76,7 @@ def run(self):
         )
     ),
     include_package_data=True,
-    setup_requires=['grpcio-tools>=1.56.2,<1.66.0'],  # ensure it is in-sync with `install_requires`
+    setup_requires=['grpcio-tools>=1.56.2,<1.70.0'],  # ensure it is in-sync with `install_requires`
     install_requires=[
         'click',
         'psutil',