diff --git a/pyproject.toml b/pyproject.toml
index cfd486622dd95163c6e226f5637cab59ba875b06..a2eedae57e9b2dbc06868d5cdbda06c51c3e21ee 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -33,7 +33,7 @@ testing = [
 ]
 docs = [
     "sphinx",
-    "furo",
+    "sphinx-book-theme",
     "myst-parser",
     "sphinx_design",
     "sphinx_autodoc_typehints",