diff --git a/docs/requirements.txt b/docs/requirements.txt
index e1e9936e..ccf4f929 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,4 +1,4 @@
-sphinx 
+sphinx==7.4.7 
 sphinx-autobuild
 sphinx-rtd-theme 
 myst-parser