diff --git a/easyci2/flask/requirements.txt b/easyci2/flask/requirements.txt
index a5598aaf..0513569b 100644
--- a/easyci2/flask/requirements.txt
+++ b/easyci2/flask/requirements.txt
@@ -11,7 +11,7 @@ distlib==0.3.0
 distro==1.4.0
 Flask==1.1.2
 Flask-Session==0.3.2
-gunicorn==20.1.0
+gunicorn==23.0.0
 html5lib==1.0.1
 idna==2.8
 iniconfig==1.1.1