diff --git a/sphinx/requirements.txt b/sphinx/requirements.txt
index 261bef9..f6c2361 100644
--- a/sphinx/requirements.txt
+++ b/sphinx/requirements.txt
@@ -5,7 +5,7 @@ beautifulsoup4==4.12.2
 certifi==2023.11.17
 charset-normalizer==3.3.2
 docutils==0.20.1
-idna==3.7
+idna==3.8
 imagesize==1.4.1
 importlib-metadata==8.2.0
 Jinja2==3.1.4