diff --git a/requirements.txt b/requirements.txt
index 3ee275a..fedc710 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 Flask==3.0.0
 click==8.1.7
-gunicorn==21.2.0
+gunicorn==22.0.0
 kanjidraw==0.2.3