diff --git a/requirements.txt b/requirements.txt
index a67bfab..ee530df 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ certifi==2026.2.25
 charset-normalizer==3.4.7
 click==8.1.8
 Flask==3.1.3
-idna==3.11
+idna==3.13
 itsdangerous==2.2.0
 Jinja2==3.1.6
 MarkupSafe==3.0.2