diff --git a/pyproject.toml b/pyproject.toml
index 14efd6a..b61fcbb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -78,7 +78,7 @@ doc = [
   "myst-parser",
   "autodoc_pydantic",
   "sphinxcontrib-mermaid",
-  "jupyter-book==2.1.2",
+  "jupyter-book==2.1.5",
 ]
 
 [project.urls]