diff --git a/docs/requirements.txt b/docs/requirements.txt
index f516b6e..aa09cf7 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -5,5 +5,5 @@ recommonmark==0.7.1
 sphinx_automodapi==0.17.0
 nbsphinx==0.9.3
 readthedocs-sphinx-search==0.3.2
-sphinx-book-theme==0.3.3
-pydata-sphinx-theme==0.8.1
+sphinx-book-theme==1.1.2
+pydata-sphinx-theme==0.15.2