diff --git a/pyproject.toml b/pyproject.toml
index cb4199a..695fbbc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -53,7 +53,7 @@ tests = [
 docs = [
     'sphinx~=7.3.7',
     'sphinx-copybutton~=0.5.2',
-    'sphinx-book-theme~=1.0.1',
+    'sphinx-book-theme~=1.1.2',
     'sphinx-click~=5.1.0',
     'sphinx-design~=0.5.0',
     'sphinxcontrib-details-directive~=0.1.0',