diff --git a/pyproject.toml b/pyproject.toml
index 543e66b..f0891bd 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -57,7 +57,7 @@ documentation = [
     "sphinx >=5.1.1",
     "sphinx-gallery ==0.19.0",
     "sphinx-rtd-theme ==3.1.0",
-    "pydata-sphinx-theme ==0.14.1",
+    "pydata-sphinx-theme ==0.16.1",
 ]
 
 dev = [