diff --git a/docs/requirements.txt b/docs/requirements.txt
index 3ceb564..e9d839f 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -20,7 +20,7 @@ docutils==0.20.1
     # via sphinx
 fonttools==4.43.0
     # via matplotlib
-idna==3.4
+idna==3.7
     # via requests
 imagesize==1.4.1
     # via sphinx