diff --git a/requirements/docs.txt b/requirements/docs.txt
index 26d57f22..78ebf2d3 100644
--- a/requirements/docs.txt
+++ b/requirements/docs.txt
@@ -14,6 +14,7 @@ myst-nb~=0.17.2
 linkify-it-py~=2.0.3
 sphinx-external-toc~=0.3.1
 attrs~=23.2.0
+sphinx_design~=0.5.0
 
 # keep support for numpy builtin type aliases for previous tags
 # numpy builtin aliases like np.str were removed in 1.24