@@ -56,7 +56,7 @@ jobs:
       matrix:
         os: ["ubuntu-latest", "windows-latest"]
         # Test minimum supported and latest stable from 3.x series
-        python-version: ["3.9", "3"]
+        python-version: ["3.10", "3"]
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
 
@@ -1,7 +1,7 @@
 # Python Docs Sphinx Theme
 
 This is the theme for the Python documentation.
-It requires Python 3.9 or newer and Sphinx 3.4 or newer.
+It requires Python 3.10 or newer and Sphinx 7.3 or newer.
 
 Note that when adopting this theme, you're also borrowing an element of the
 trust and credibility established by the CPython core developers over the
 
@@ -10,7 +10,7 @@ description = "The Sphinx theme for the CPython docs and related projects"
 readme = "README.md"
 license.file = "LICENSE"
 authors = [ { name = "PyPA", email = "distutils-sig@python.org" } ]
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 classifiers = [
   "Development Status :: 5 - Production/Stable",
   "Framework :: Sphinx :: Theme",
@@ -19,7 +19,6 @@ classifiers = [
   "Operating System :: OS Independent",
   "Programming Language :: Python",
   "Programming Language :: Python :: 3 :: Only",
-  "Programming Language :: Python :: 3.9",
   "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",
   "Programming Language :: Python :: 3.12",
@@ -30,7 +29,7 @@ classifiers = [
 dynamic = [ "version" ]
 
 dependencies = [
-  "sphinx>=3.4",
+  "sphinx>=7.3",
 ]
 
 urls.Code = "https://github.com/python/python-docs-theme"
 
@@ -1,16 +1,9 @@
 from __future__ import annotations
 
-import hashlib
-from functools import cache
 from pathlib import Path
 
-import sphinx.application
-from sphinx.builders.html import StandaloneHTMLBuilder
-
 TYPE_CHECKING = False
 if TYPE_CHECKING:
-    from typing import Any
-
     from sphinx.application import Sphinx
     from sphinx.util.typing import ExtensionMetadata
 
@@ -19,53 +12,11 @@
 THEME_PATH = Path(__file__).resolve().parent
 
 
-@cache
-def _asset_hash(path: str) -> str:
-    """Append a `?digest=` to an url based on the file content."""
-    full_path = THEME_PATH / path.replace("_static/", "static/")
-    digest = hashlib.sha1(full_path.read_bytes()).hexdigest()
-
-    return f"{path}?digest={digest}"
-
-
-def _add_asset_hashes(static: list[str], add_digest_to: list[str]) -> None:
-    for asset in add_digest_to:
-        index = static.index(asset)
-        static[index].filename = _asset_hash(asset)  # type: ignore[attr-defined]
-
-
-def _html_page_context(
-    app: sphinx.application.Sphinx,
-    pagename: str,
-    templatename: str,
-    context: dict[str, Any],
-    doctree: Any,
-) -> None:
-    if app.config.html_theme != "python_docs_theme":
-        return
-
-    assert isinstance(app.builder, StandaloneHTMLBuilder)
-
-    if (4,) <= sphinx.version_info < (7, 1) and "css_files" in context:
-        if "_static/pydoctheme.css" not in context["css_files"]:
-            raise ValueError(
-                "This documentation is not using `pydoctheme.css` as the stylesheet. "
-                "If you have set `html_style` in your conf.py file, remove it."
-            )
-
-        _add_asset_hashes(
-            context["css_files"],
-            ["_static/pydoctheme.css"],
-        )
-
-
 def setup(app: Sphinx) -> ExtensionMetadata:
-    app.require_sphinx("3.4")
+    app.require_sphinx("7.3")
 
     app.add_html_theme("python_docs_theme", str(THEME_PATH))
 
-    app.connect("html-page-context", _html_page_context)
-
     return {
         "version": __version__,
         "parallel_read_safe": True,
 
@@ -1,5 +1,3 @@
-@import url('classic.css');
-
 /* Common colours */
 :root {
     --good-color: rgb(41 100 51);
@@ -200,16 +198,6 @@ div.sphinxsidebar input[type='text'] {
     display: flex;
     justify-content: center;
     align-items: center;
-    /* Sphinx 4.x and earlier compat */
-    height: 100%;
-    background-color: #CCCCCC;
-    margin-left: 0;
-    color: #444444;
-    font-size: 1.2em;
-    cursor: pointer;
-    padding-top: 1px;
-    float: none;
-    /* after Sphinx 4.x and earlier is dropped, only the below is needed */
     width: 12px;
     min-width: 12px;
     border-radius: 0 5px 5px 0;
 
@@ -0,0 +1,39 @@
+[theme]
+inherit = "default"
+stylesheets = [
+    "classic.css",
+    "pydoctheme.css",
+]
+pygments_style = { default = "default", dark = "monokai" }
+
+[options]
+bodyfont = "-apple-system, BlinkMacSystemFont, avenir next, avenir, segoe ui, helvetica neue, helvetica, Cantarell, Ubuntu, roboto, noto, arial, sans-serif"
+headfont = "-apple-system, BlinkMacSystemFont, avenir next, avenir, segoe ui, helvetica neue, helvetica, Cantarell, Ubuntu, roboto, noto, arial, sans-serif"
+footerbgcolor = "white"
+footertextcolor = "#555555"
+relbarbgcolor = "white"
+relbartextcolor = "#666666"
+relbarlinkcolor = "#444444"
+sidebarbgcolor = "white"
+sidebartextcolor = "#444444"
+sidebarlinkcolor = "#444444"
+sidebarbtncolor = "#cccccc"
+bgcolor = "white"
+textcolor = "#222222"
+linkcolor = "#0090c0"
+visitedlinkcolor = "#00608f"
+headtextcolor = "#1a1a1a"
+headbgcolor = "white"
+headlinkcolor = "#aaaaaa"
+codebgcolor = "#eeffcc"
+codetextcolor = "#333333"
+
+hosted_on = ""
+issues_url = ""
+license_url = ""
+root_name = "Python"
+root_url = "https://www.python.org/"
+root_icon = "py.svg"
+root_icon_alt_text = "Python logo"
+root_include_title = "True"
+copyright_url = ""