diff --git a/requirements.txt b/requirements.txt
index faa20126..bb2611d9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,8 +6,8 @@ pipenv
 myst_nb
 black~=22.0
 isort~=5.7
-sphinx==4.0.2
-sphinx-book-theme==0.3.3
+sphinx~=6.0
+sphinx-book-theme~=1.0.1
 sphinx-togglebutton==0.3.1
 sphinxcontrib-applehelp<=1.0.7
 sphinxcontrib.devhelp<=1.0.5