diff --git a/docs/requirements.txt b/docs/requirements.txt
index b7ee962d58..2643bcdb97 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,4 +1,4 @@
-sphinx==5.3.0
+sphinx==6.1.2
 readthedocs-sphinx-ext==2.1.9 # ??
 sphinx-rtd-theme
 myst-parser==0.18.1