diff --git a/docs/conf.py b/docs/conf.py
index e673683ed..9e15dca3a 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -5,7 +5,7 @@
 from importlib import metadata
 
 try:
-    from sphinx_astropy.conf.v1 import *  # noqa
+    from sphinx_astropy.conf.v3 import *  # noqa
 except ImportError:
     print("ERROR: the documentation requires the sphinx-astropy package to be installed")
     sys.exit(1)
@@ -47,41 +47,6 @@
 
 
 # -- Options for HTML output ---------------------------------------------------
-
-# A NOTE ON HTML THEMES
-# The global astropy configuration uses a custom theme, 'bootstrap-astropy',
-# which is installed along with astropy. A different theme can be used or
-# the options for this theme can be modified by overriding some of the
-# variables set in the global configuration. The variables set in the
-# global configuration are listed below, commented out.
-
-html_theme_options = {
-    "logotext1": "re",  # white,  semi-bold
-    "logotext2": "project",  # orange, light
-    "logotext3": ":docs",  # white,  light
-}
-
-# Add any paths that contain custom themes here, relative to this directory.
-# To use a different custom theme, add the directory containing the theme.
-# html_theme_path = []
-
-# The theme to use for HTML and HTML Help pages.  See the documentation for
-# a list of builtin themes. To override the custom theme, set this to the
-# name of a builtin theme or the name of a custom theme in html_theme_path.
-# html_theme = None
-
-# Custom sidebar templates, maps document names to template names.
-# html_sidebars = {}
-
-# The name of an image file (within the static path) to use as favicon of the
-# docs.  This file should be a Windows icon file (.ico) being 16x16 or 32x32
-# pixels large.
-# html_favicon = ''
-
-# If not '', a 'Last updated on:' timestamp is inserted at every page bottom,
-# using the given strftime format.
-# html_last_updated_fmt = ''
-
 # The name for this set of Sphinx documents.  If None, it defaults to
 # "<project> v<release> documentation".
 html_title = f"{project} v{release}"
diff --git a/pyproject.toml b/pyproject.toml
index 9c883e108..c9f65ac4e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -44,7 +44,7 @@ testall = [
     "pyvo",
 ]
 docs = [
-    "sphinx-astropy",
+    "sphinx-astropy[confv3]>=1.11",
     "pyvo",
     "matplotlib",
     "tqdm",