diff --git a/requirements.txt b/requirements.txt
index b6973ba2..81948530 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ charset-normalizer==3.4.7
 click==8.4.1
 cryptography==48.0.0
 flake8==7.3.0
-idna==3.16
+idna==3.17
 Jinja2==3.1.6
 jsonschema==4.26.0
 jsonschema-specifications==2025.9.1