diff --git a/book/requirements.txt b/book/requirements.txt
index 62e2d85..3c7d4d5 100644
--- a/book/requirements.txt
+++ b/book/requirements.txt
@@ -1,4 +1,4 @@
-jupyter-book==1.0.4.post1
+jupyter-book==2.1.0
 docutils
 sphinx-inline-tabs
 sphinx-examples