diff --git a/engines/owl_dns/requirements.txt b/engines/owl_dns/requirements.txt
index e792233c..1e804bed 100644
--- a/engines/owl_dns/requirements.txt
+++ b/engines/owl_dns/requirements.txt
@@ -7,7 +7,7 @@ dnslib==0.9.23
 dnspython #==2.0.0
 Flask==2.2.3
 future==0.18.3
-gunicorn==20.1.0
+gunicorn==21.2.0
 idna==3.4
 ipwhois==1.2.0
 itsdangerous==2.1.2