diff --git a/doc/requirements.txt b/doc/requirements.txt
index 20b9ca063..f59f9c8f8 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -1,7 +1,7 @@
 -r ../requirements.txt
 
 # Enforce latest version on ReadTheDocs
-sphinx>=5.3,<6.0
+sphinx>=5.3,<7.0
 pyTooling>=3.0.0, <4.0
 
 # Sphinx Extenstions