diff --git a/docs/requirements.txt b/docs/requirements.txt
index a699dad7..71d099cd 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -6,7 +6,7 @@ charset-normalizer==3.2.0
 colorama==0.4.6
 docutils==0.20.1
 funcparserlib==2.0.0a0
-idna==3.4
+idna==3.7
 imagesize==1.4.1
 Jinja2==3.1.2
 livereload==2.6.3