diff --git a/requirements/docs.txt b/requirements/docs.txt
index 83f8e84f..2f486945 100644
--- a/requirements/docs.txt
+++ b/requirements/docs.txt
@@ -1,4 +1,4 @@
 huggingface-hub==1.23.0
 six==1.17.0
 sphinx==9.1.0
-sphinx-book-theme==1.2.0
+sphinx-book-theme==1.4.0