diff --git a/online-inference/tensorizer-isvc/tensorizer_hf_isvc/flask/requirements.txt b/online-inference/tensorizer-isvc/tensorizer_hf_isvc/flask/requirements.txt
index b7ccdc2c..ed64fe0a 100644
--- a/online-inference/tensorizer-isvc/tensorizer_hf_isvc/flask/requirements.txt
+++ b/online-inference/tensorizer-isvc/tensorizer_hf_isvc/flask/requirements.txt
@@ -1,4 +1,4 @@
 Flask==2.3.2
-gunicorn==20.1.0
+gunicorn==21.2.0
 transformers==4.27.1
 tensorizer==1.1.0