diff --git a/pyproject.toml b/pyproject.toml
index 1d3177fb..e6bbce6e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -79,7 +79,7 @@ docs = [
     'sphinxcontrib-bibtex',
     'myst-nb',
     'zarr',
-    'pydata-sphinx-theme==0.8.1'
+    'pydata-sphinx-theme<1.0'
 ]
 
 [project.urls]