diff --git a/ci/doc_requirements.txt b/ci/doc_requirements.txt
index 97749bc88c9..7d1948c1738 100644
--- a/ci/doc_requirements.txt
+++ b/ci/doc_requirements.txt
@@ -1,5 +1,5 @@
 sphinx==4.3.2
-pydata-sphinx-theme==0.7.2
+pydata-sphinx-theme==0.9.0
 sphinx-gallery==0.10.1
 myst-parser==0.16.1
 netCDF4==1.5.8