diff --git a/python/tox.ini b/python/tox.ini
index 00cb6bb5f..df6d70942 100644
--- a/python/tox.ini
+++ b/python/tox.ini
@@ -63,7 +63,7 @@ commands =
 changedir=doc
 deps =
 # Pinned version, workaround for <https://github.com/breathe-doc/breathe/issues/981>
-    sphinx==7.2.6
+    sphinx<7.3
     breathe
     sphinx_rtd_theme
 commands =