diff --git a/docs/requirements.txt b/docs/requirements.txt
index 5a6664b9..24c4ded9 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -3,5 +3,5 @@ sphinx-click==4.4.0
 sphinx-rtd-theme==1.2.0
 autodoc_pydantic==1.8.0
 sphinx-gallery==0.10.1
-nbsphinx==0.8.12
+nbsphinx==0.9.1
 ipykernel==6.21.2