diff --git a/docs/requirements.txt b/docs/requirements.txt
index 9876a357..1df64bb7 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -459,4 +459,4 @@ xyzservices==2023.10.1
     # via bokeh
     # via panel
 more_itertools
-
+pydata-sphinx-theme
diff --git a/pyproject.toml b/pyproject.toml
index a7aa5b27..9b7cd1f1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -54,6 +54,7 @@ dev-dependencies = [
   "nbsphinx",
   "sphinx_copybutton",
   "sphinxnotes-strike",
+  "pydata-sphinx-theme",
 ]
 
 [tool.hatch.metadata]