diff --git a/requirements/py3.9/docs.txt b/requirements/py3.9/docs.txt
index 03161c5..ba51a1d 100644
--- a/requirements/py3.9/docs.txt
+++ b/requirements/py3.9/docs.txt
@@ -11,7 +11,7 @@ certifi==2023.7.22        # via requests
 chardet==4.0.0            # via requests
 css-html-js-minify==2.5.5  # via sphinx-material-saltstack
 docutils==0.16            # via sphinx
-idna==2.10                # via requests
+idna==3.7                # via requests
 imagesize==1.2.0          # via sphinx
 jinja2==2.11.3            # via sphinx
 lxml==4.9.1               # via sphinx-material-saltstack