diff --git a/conf.py b/conf.py
index a9b0ec1a7d..32d46e5811 100644
--- a/conf.py
+++ b/conf.py
@@ -1,8 +1,6 @@
-import hashlib
 import os
 import sys
 import time
-from pathlib import Path
 
 # Location of custom extensions.
 sys.path.insert(0, os.path.abspath(".") + "/_extensions")
@@ -35,14 +33,6 @@
 ]
 
 
-def _asset_hash(path: os.PathLike[str]) -> str:
-    """Append a `?digest=` to an url based on the file content."""
-    full_path = (Path(html_static_path[0]) / path).resolve()
-    digest = hashlib.sha1(full_path.read_bytes()).hexdigest()
-
-    return f"{path}?digest={digest}"
-
-
 html_theme = 'furo'
 html_theme_options = {
     "source_repository": "https://github.com/python/devguide",
@@ -50,7 +40,7 @@ def _asset_hash(path: os.PathLike[str]) -> str:
 }
 html_static_path = ['_static']
 html_css_files = [
-    _asset_hash('devguide_overrides.css'),
+    'devguide_overrides.css',
 ]
 html_logo = "_static/python-logo.svg"
 html_favicon = "_static/favicon.png"
diff --git a/requirements.txt b/requirements.txt
index b5476b7e0a..260c90752c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,8 +1,8 @@
-Sphinx==7.1.1
+Sphinx~=7.2.5
 furo>=2022.6.4
 jinja2
 sphinx-lint==0.6.8
-sphinx-notfound-page
+sphinx-notfound-page>=1.0.0
 sphinx_copybutton>=0.3.3
 sphinxext-opengraph>=0.7.1
 sphinxext-rediraffe