diff --git a/requirements-dev.txt b/requirements-dev.txt
index 9ca81c6..5a311f9 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -101,7 +101,7 @@ graphviz==0.17; python_version >= '3.6'
 grpc-google-iam-v1==0.12.3
 grpcio-gcp==0.2.2
 grpcio==1.40.0
-gunicorn==20.1.0; python_version >= '3.5'
+gunicorn==22.0.0; python_version >= '3.5'
 h11==0.12.0; python_version >= '3.6'
 hdfs==2.6.0
 httpcore==0.13.7; python_version >= '3.6'