diff --git a/docs/requirements.txt b/docs/requirements.txt
index f77802f..04e678d 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,4 +1,4 @@
-sphinx==4.4.0
+sphinx==6.1.3
 ipython
 sphinx_rtd_theme
 requests_cache