diff --git a/pyproject.toml b/pyproject.toml
index 6d2e773f9..0c0c12bab 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -85,7 +85,7 @@ documentation = [
     "sphinx-rtd-theme==3.1.0",
     "sphinx-gallery==0.21.0",
     "sphinx_design==0.7.0",
-    "pydata-sphinx-theme==0.17.1"
+    "pydata-sphinx-theme==0.18.0"
 ]
 dev = [
     "flake8 ==7.3.0",