diff --git a/poetry.lock b/poetry.lock
index 089351afa..a848f5da0 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1749,23 +1749,23 @@ type-comment = ["typed-ast (>=1.5.4)"]
 
 [[package]]
 name = "sphinx-book-theme"
-version = "1.1.2"
+version = "1.1.3"
 description = "A clean book theme for scientific explanations and documentation with Sphinx"
 optional = true
 python-versions = ">=3.9"
 files = [
-    {file = "sphinx_book_theme-1.1.2-py3-none-any.whl", hash = "sha256:cee744466fde48f50302b851291b208aa67e726ca31b7a3bfb9b6e6a145663e0"},
-    {file = "sphinx_book_theme-1.1.2.tar.gz", hash = "sha256:7f3abcd146ca82e6f39d6db53711102b1c1d328d12f65e3e47ad9bf842614a49"},
+    {file = "sphinx_book_theme-1.1.3-py3-none-any.whl", hash = "sha256:a554a9a7ac3881979a87a2b10f633aa2a5706e72218a10f71be38b3c9e831ae9"},
+    {file = "sphinx_book_theme-1.1.3.tar.gz", hash = "sha256:1f25483b1846cb3d353a6bc61b3b45b031f4acf845665d7da90e01ae0aef5b4d"},
 ]
 
 [package.dependencies]
-pydata-sphinx-theme = ">=0.14"
+pydata-sphinx-theme = ">=0.15.2"
 sphinx = ">=5"
 
 [package.extras]
 code-style = ["pre-commit"]
 doc = ["ablog", "folium", "ipywidgets", "matplotlib", "myst-nb", "nbclient", "numpy", "numpydoc", "pandas", "plotly", "sphinx-copybutton", "sphinx-design", "sphinx-examples", "sphinx-tabs", "sphinx-thebe", "sphinx-togglebutton", "sphinxcontrib-bibtex", "sphinxcontrib-youtube", "sphinxext-opengraph"]
-test = ["beautifulsoup4", "coverage", "myst-nb", "pytest", "pytest-cov", "pytest-regressions", "sphinx_thebe"]
+test = ["beautifulsoup4", "coverage", "defusedxml", "myst-nb", "pytest", "pytest-cov", "pytest-regressions", "sphinx_thebe"]
 
 [[package]]
 name = "sphinxcontrib-applehelp"