diff --git a/pyproject.toml b/pyproject.toml
index 40fffc4..52f8e54 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,7 +19,7 @@ classifiers = [
     "Topic :: Documentation :: Sphinx",
 ]
 dependencies = [
-    "pydata-sphinx-theme==0.19.0",
+    "pydata-sphinx-theme==0.20.0",
     "matplotlib",
     "sphinx-design",
 ]