diff --git a/Doc/requirements.txt b/Doc/requirements.txt
index 07d20a63a6523a..118e6c322b4be2 100644
--- a/Doc/requirements.txt
+++ b/Doc/requirements.txt
@@ -6,12 +6,13 @@
 # Sphinx version is pinned so that new versions that introduce new warnings
 # won't suddenly cause build failures. Updating the version is fine as long
 # as no warnings are raised by doing so.
-sphinx==4.5.0
+sphinx~=7.2.0
 
 blurb
 
 sphinx-autobuild
 sphinxext-opengraph==0.7.5
+sphinx-notfound-page==1.0.0
 
 # The theme used by the documentation is stored separately, so we need
 # to install that as well.