diff --git a/docs/sphinx/requirements.txt b/docs/sphinx/requirements.txt
index 5ec19dd9ea..07bee9302a 100644
--- a/docs/sphinx/requirements.txt
+++ b/docs/sphinx/requirements.txt
@@ -5,7 +5,7 @@ certifi==2026.7.22
 charset-normalizer==3.5.0
 docutils==0.22.4
 furo==2025.12.19
-idna==3.18
+idna==3.19
 imagesize==2.0.0
 Jinja2==3.1.6
 MarkupSafe==3.0.3