diff --git a/docs/requirements.txt b/docs/requirements.txt
index 13de66a5..7d064a42 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,5 +1,5 @@
 
-sphinx>5
+sphinx>5,<7.3 # TODO try 7.3 after it stablizes 
 nbsphinx
 ipython
 ipykernel