diff --git a/docs/requirements.txt b/docs/requirements.txt
index 22828e0..6efbaf6 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -22,7 +22,7 @@ docutils==0.17.1
     # via
     #   pydata-sphinx-theme
     #   sphinx
-idna==3.3
+idna==3.7
     # via requests
 imagesize==1.4.1
     # via sphinx