diff --git a/requirements.txt b/requirements.txt
index 1fcaa35..c7abc8e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ flask==2.0.3
 simplejson==3.17.2
 python-dotenv==0.15.0
 requests==2.25.1
-gunicorn==20.0.4
+gunicorn==23.0.0
 gevent==21.1.2
 biopython==1.78
 werkzeug==2.0.3