diff --git a/.readthedocs.yaml b/.readthedocs.yaml
new file mode 100644
index 00000000..218fdb21
--- /dev/null
+++ b/.readthedocs.yaml
@@ -0,0 +1,17 @@
+# https://docs.readthedocs.io/en/stable/config-file/v2.html
+version: 2
+build:
+  os: ubuntu-22.04
+  tools:
+    python: '3.12'
+sphinx:
+  configuration: docs/conf.py
+formats:
+  - pdf
+  - epub
+python:
+  install:
+    - method: pip
+      path: .
+      extra_requirements:
+        - docs
diff --git a/rtd.txt b/rtd.txt
deleted file mode 100644
index ff62117a..00000000
--- a/rtd.txt
+++ /dev/null
@@ -1,3 +0,0 @@
-Sphinx >= 1.3.1
-repoze.sphinx.autointerface
-pylons-sphinx-themes