diff --git a/docs/requirements.txt b/docs/requirements.txt
index ed67f04..37cae62 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,7 +1,7 @@
 # This file is needed for the new .readthedocs.yaml file. 
 # See https://docs.readthedocs.io/en/stable/config-file/index.html
 # For building
-sphinx==4.0.1
+sphinx==7.2.6
 sphinx_rtd_theme==0.5.2
 nbsphinx==0.8.7