diff --git a/ruian-swagger/requirements-slim.txt b/ruian-swagger/requirements-slim.txt
index ce8fa15..ae10997 100644
--- a/ruian-swagger/requirements-slim.txt
+++ b/ruian-swagger/requirements-slim.txt
@@ -14,5 +14,5 @@ urllib3>=1.26.5
 
 dicttoxml~=1.7.4
 lat-lon-parser==1.2.0
-gunicorn==20.1.0
+gunicorn==23.0.0
 Flask-Cors==3.0.10