diff --git a/docs/requirements.txt b/docs/requirements.txt
index 1dca8b5e..1698afd4 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -9,7 +9,7 @@ charset-normalizer==3.2.0
 click==8.1.6
 colorama==0.4.6
 docutils==0.18.1
-idna==3.4
+idna==3.7
 imagesize==1.4.1
 jinja2==3.1.3
 livereload==2.6.3