diff --git a/.readthedocs.yml b/.readthedocs.yml
new file mode 100644
index 0000000..89a4e96
--- /dev/null
+++ b/.readthedocs.yml
@@ -0,0 +1,10 @@
+version: 2
+formats: all
+python:
+  version: 3.9
+  install:
+  - requirements: docs/requirements.txt
+sphinx:
+  builder: html
+  configuration: docs/conf.py
+  fail_on_warning: true
diff --git a/docs/conf.py b/docs/conf.py
index 01c9eee..ee99377 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -1,30 +1,5 @@
-# Soapfish documentation build configuration file, created by
-# sphinx-quickstart on Thu Mar  6 16:06:14 2014.
-#
-# This file is execfile()d with the current directory set to its
-# containing dir.
-#
-# Note that not all possible configuration values are present in this
-# autogenerated file.
-#
-# All configuration values have a default; values that are commented out
-# serve to show the default.
-
-# If extensions (or modules to document with autodoc) are in another directory,
-# add these directories to sys.path here. If the directory is relative to the
-# documentation root, use os.path.abspath to make it absolute, like shown here.
-# sys.path.insert(0, os.path.abspath('.'))
-
-# -- General configuration ------------------------------------------------
-
-# If your documentation needs a minimal Sphinx version, state it here.
-# needs_sphinx = '1.0'
-
-# Add any Sphinx extension module names here, as strings. They can be
-# extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
-# ones.
 extensions = [
-    'sphinx.ext.todo',
+    'sphinx.ext.intersphinx',
     'sphinx.ext.viewcode',
 ]
 
@@ -97,15 +72,11 @@
 # If true, keep warnings as "system message" paragraphs in the built documents.
 # keep_warnings = False
 
-# If true, `todo` and `todoList` produce output, else they produce nothing.
-todo_include_todos = False
-
-
 # -- Options for HTML output ----------------------------------------------
 
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
-html_theme = 'alabaster'
+html_theme = 'sphinx_rtd_theme'
 
 # Theme options are theme-specific and customize the look and feel of a theme
 # further.  For a list of options available for each theme, see the
@@ -134,7 +105,7 @@
 # Add any paths that contain custom static files (such as style sheets) here,
 # relative to this directory. They are copied after the builtin static files,
 # so a file named "default.css" will overwrite the builtin "default.css".
-html_static_path = ['_static']
+html_static_path = []
 
 # Add any extra paths that contain custom files (such as robots.txt or
 # .htaccess) here, relative to this directory. These files are copied
diff --git a/docs/requirements.txt b/docs/requirements.txt
new file mode 100644
index 0000000..cbf1e36
--- /dev/null
+++ b/docs/requirements.txt
@@ -0,0 +1,2 @@
+sphinx
+sphinx-rtd-theme
diff --git a/setup.cfg b/setup.cfg
index cfef47e..bbfc449 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -33,6 +33,9 @@ classifiers =
     Programming Language :: Python :: Implementation :: CPython
     Topic :: Internet :: WWW/HTTP
     Topic :: Software Development :: Libraries :: Python Modules
+project_urls =
+    Documentation = https://soapfish.readthedocs.io/
+    Source = https://github.com/soapteam/soapfish
 
 [options]
 zip_safe = false