diff --git a/docs/requirements.txt b/docs/requirements.txt
index 13234485..f74fa8f0 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -19,7 +19,7 @@ xarray-datatree
 xarray_regrid
 gsw_xarray
 
-sphinx == 6.2.1
+sphinx == 7.2.6
 recommonmark
 sphinx-markdown-tables
 sphinxcontrib-jupyter