diff --git a/requirements/doc/doc-requirements.txt b/requirements/doc/doc-requirements.txt
index 8f8e01a34e4d..b3ab5e4858bf 100644
--- a/requirements/doc/doc-requirements.txt
+++ b/requirements/doc/doc-requirements.txt
@@ -15,7 +15,7 @@ ipykernel
 numpydoc>=1.0
 packaging>=20
 pydata-sphinx-theme~=0.15.0
-mpl-sphinx-theme~=3.8.0
+mpl-sphinx-theme~=3.9.0
 pyyaml
 sphinxcontrib-svg2pdfconverter>=1.1.0
 sphinx-gallery>=0.12.0