diff --git a/requirements.txt b/requirements.txt
index b91189ec7..3eb718ab8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ Flask==2.3.3
 Flask-APScheduler==1.13.1
 Flask-Caching==2.1.0
 Flask-WTF==1.2.1
-idna==3.4
+idna==3.6
 itsdangerous==2.1.2
 Jinja2==3.1.2
 MarkupSafe==2.1.3