diff --git a/doc/sphinx/requirements.txt b/doc/sphinx/requirements.txt
index fb3e3c4..c83fd75 100644
--- a/doc/sphinx/requirements.txt
+++ b/doc/sphinx/requirements.txt
@@ -13,7 +13,7 @@ breathe==4.18.1
 certifi==2023.7.22
 chardet==4.0.0
 docutils==0.16
-idna==2.10
+idna==3.7
 imagesize==1.2.0
 Jinja2==3.1.3
 markdown-it-py==2.2.0