diff --git a/python/tox.ini b/python/tox.ini
index 99fd0c703..0521a23f8 100644
--- a/python/tox.ini
+++ b/python/tox.ini
@@ -59,7 +59,8 @@ commands =
 [testenv:doc]
 changedir=doc
 deps =
-    sphinx
+# Pinned due to incompatibility of breathe with sphinx 7.2: <https://github.com/breathe-doc/breathe/issues/943>
+    sphinx<=7.1.2
     breathe
 commands =
     sphinx-build -Q -w toxdoc-warnings.log -b html . _build/html