diff --git a/docs/requirements.txt b/docs/requirements.txt
index 0137f6d..28fb77f 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -24,7 +24,7 @@ google-pasta==0.2.0
 graphviz==0.20.1
 grpcio==1.57.0
 h5py==3.9.0
-idna==3.4
+idna==3.15
 imagesize==1.4.1
 importlib-metadata==6.8.0
 importlib-resources==6.0.1