diff --git a/tools/mkdocs/requirements.txt b/tools/mkdocs/requirements.txt
index b8681f1..8383ad6 100644
--- a/tools/mkdocs/requirements.txt
+++ b/tools/mkdocs/requirements.txt
@@ -11,7 +11,7 @@ ghp-import==2.1.0
 gitdb==4.0.11
 GitPython==3.1.41
 graphviz==0.20.1
-idna==3.6
+idna==3.7
 Jinja2==3.1.3
 Markdown==3.5.2
 MarkupSafe==2.1.4