diff --git a/docs/requirements.txt b/docs/requirements.txt
index c3078b9e..72fe9220 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,4 +1,4 @@
-sphinx==7.3.5
+sphinx==7.3.6
 pangeo-sphinx-book-theme==0.2
 myst-nb==1.1.0
 sphinx-copybutton==0.5.2