diff --git a/requirements/geovista.yml b/requirements/geovista.yml
index c62375e4..dea94631 100644
--- a/requirements/geovista.yml
+++ b/requirements/geovista.yml
@@ -49,6 +49,7 @@ dependencies:
   - pydata-sphinx-theme
   - sphinx
   - sphinx-copybutton
+  - sphinx-design
   - sphinx-gallery
   - ipywidgets
   - jupyter-server-proxy
diff --git a/requirements/pypi-optional-docs.txt b/requirements/pypi-optional-docs.txt
index 4936ca32..b3fbc11d 100644
--- a/requirements/pypi-optional-docs.txt
+++ b/requirements/pypi-optional-docs.txt
@@ -1,4 +1,5 @@
 sphinx
+sphinx_design
 sphinx-copybutton
 sphinx-gallery
 jupyter-sphinx