diff --git a/requirements.txt b/requirements.txt
index de63399122e..6a0b3140926 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ Babel==2.18.0
 certifi==2026.7.22
 charset-normalizer==3.4.9
 docutils==0.21.2
-idna==3.18
+idna==3.19
 imagesize==2.0.0
 importlib-metadata==9.0.0
 Jinja2==3.1.6