diff --git a/pep_sphinx_extensions/pep_processor/html/pep_html_builder.py b/pep_sphinx_extensions/pep_processor/html/pep_html_builder.py
index 8f5fe81bcf5..467dd82670c 100644
--- a/pep_sphinx_extensions/pep_processor/html/pep_html_builder.py
+++ b/pep_sphinx_extensions/pep_processor/html/pep_html_builder.py
@@ -48,4 +48,4 @@ class DirectoryBuilder(FileBuilder):
     # sync all overwritten things from DirectoryHTMLBuilder
     name = DirectoryHTMLBuilder.name
     get_target_uri = DirectoryHTMLBuilder.get_target_uri
-    get_outfilename = DirectoryHTMLBuilder.get_outfilename
+    get_output_path = DirectoryHTMLBuilder.get_output_path
diff --git a/requirements.txt b/requirements.txt
index 3e4261af830..e791f576e2c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,10 +3,9 @@
 # Sphinx requires >= 2.17. JSON5 support added in 2.19, `lazy` highlight added in 2.21
 pygments >= 2.21
 
-# Sphinx 6.1.0 broke copying images in parallel builds; fixed in 6.1.2
-# See https://github.com/sphinx-doc/sphinx/pull/11100
-Sphinx >= 5.1.1, != 6.1.0, != 6.1.1, < 8.1.0
-docutils >= 0.19.0
+Sphinx >= 8.2
+# 0.22 causes build errors, see https://github.com/python/peps/issues/4924
+docutils < 0.22
 sphinx-notfound-page >= 1.0.2
 # For search
 pagefind[bin] >= 1.5.0