diff --git a/python/setup.py b/python/setup.py
index 3204555167..ddaaefa092 100644
--- a/python/setup.py
+++ b/python/setup.py
@@ -36,7 +36,7 @@
         "grpcio-reflection < 1.35.0",
         "gunicorn >= 19.9.0, < 20.2.0",
         "setuptools >= 41.0.0",
-        "prometheus_client >= 0.7.1, < 0.9.0",
+        "prometheus_client >= 0.7.1, < 0.17.0",
         # Addresses CVE-2020-1971
         "cryptography==3.4",
         # Addresses CVE SNYK-PYTHON-PYYAML-590151