diff --git a/doc/requirements.txt b/doc/requirements.txt
index 799fff61..c43cb589 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -1,4 +1,4 @@
-Sphinx >= 5.0, < 7.0
+Sphinx 
 numpydoc
 sphinx_rtd_theme
 sphinxcontrib-katex