diff --git a/requirements.txt b/requirements.txt
index 04beaec..647c6fd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ chardet==3.0.4
 click==8.1.3
 Flask==2.3.2
 gunicorn==19.9.0
-idna==2.8
+idna==3.7
 itsdangerous==2.1.2
 Jinja2==3.1.3
 Markdown==3.1.1