diff --git a/requirements_docs.txt b/requirements_docs.txt
index 3a930380c..1996334ce 100644
--- a/requirements_docs.txt
+++ b/requirements_docs.txt
@@ -34,5 +34,5 @@ trame-server==2.11.4
 trame-vtk==2.5.4
 trimesh==3.15.8
 typed-ast==1.5.4
-typing_extensions==4.4.0
+typing_extensions==4.9.0
 vtk<9.3