diff --git a/docs/requirements.txt b/docs/requirements.txt
index 5a06929..f0b67ce 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -26,7 +26,7 @@ docutils==0.21.2
     #   sphinxcontrib-bibtex
 fonttools==4.61.1
     # via matplotlib
-idna==3.10
+idna==3.15
     # via requests
 imagesize==1.4.1
     # via sphinx