diff --git a/{{cookiecutter.package_name}}/pyproject.toml b/{{cookiecutter.package_name}}/pyproject.toml
index 821b4d8..09e6a21 100644
--- a/{{cookiecutter.package_name}}/pyproject.toml
+++ b/{{cookiecutter.package_name}}/pyproject.toml
@@ -34,7 +34,7 @@ docs = [
     "jupytext",
     "autodoc_pydantic",
     "matplotlib",
-    "jupyter-book==0.15.1",
+    "jupyter-book==1.0.0",
     "sphinx-click",
     ]