diff --git a/docs/requirements.txt b/docs/requirements.txt
index 481283c..6abc18f 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -2,5 +2,5 @@ jinja2==3.1.2
 markdown==3.3.7
 mkdocs==1.4.2
 readthedocs-sphinx-search==0.2.0
-sphinx==5.3.0
+sphinx==6.1.3
 sphinx_rtd_theme==1.2.0