diff --git a/engines/ssllabs/requirements.txt b/engines/ssllabs/requirements.txt
index 327ed886..beadde7d 100644
--- a/engines/ssllabs/requirements.txt
+++ b/engines/ssllabs/requirements.txt
@@ -3,7 +3,7 @@ chardet==5.1.0
 charset-normalizer==2.1.1
 click==8.1.3
 Flask==2.2.3
-gunicorn==20.1.0
+gunicorn==21.2.0
 idna==3.4
 itsdangerous==2.1.2
 Jinja2==3.1.2