diff --git a/.readthedocs.yaml b/.readthedocs.yaml
new file mode 100644
index 0000000..6cd5452
--- /dev/null
+++ b/.readthedocs.yaml
@@ -0,0 +1,17 @@
+# SPDX-FileCopyrightText: 2024 Jeff Epler
+#
+# SPDX-License-Identifier: GPL-3.0-only
+
+version: 2
+
+build:
+  os: ubuntu-lts-latest
+  tools:
+    python: "3"
+
+sphinx:
+  configuration: docs/conf.py
+
+python:
+  install:
+    - requirements: requirements-dev.txt
diff --git a/docs/conf.py b/docs/conf.py
index f2892e2..6daed56 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -17,6 +17,13 @@ import sys
 
 sys.path.insert(0, os.path.abspath('.'))
 
+# Define the canonical URL if you are using a custom domain on Read the Docs
+html_baseurl = os.environ.get("READTHEDOCS_CANONICAL_URL", "")
+
+html_context = {}
+# Tell Jinja2 templates the build is running on Read the Docs
+if os.environ.get("READTHEDOCS", "") == "True":
+    html_context["READTHEDOCS"] = True
 
 # -- Project information -----------------------------------------------------