diff --git a/.readthedocs.yml b/.readthedocs.yml
new file mode 100644
index 0000000..3953aba
--- /dev/null
+++ b/.readthedocs.yml
@@ -0,0 +1,14 @@
+# https://docs.readthedocs.io/en/latest/config-file/index.html
+version: 2
+
+formats:
+  - htmlzip
+  - epub
+
+python:
+  version: 3.8
+  install:
+    - requirements: docs-requirements.txt
+
+sphinx:
+  fail_on_warning: true
diff --git a/ci/rtd-requirements.in b/docs-requirements.in
similarity index 100%
rename from ci/rtd-requirements.in
rename to docs-requirements.in
diff --git a/ci/rtd-requirements.txt b/docs-requirements.txt
similarity index 100%
rename from ci/rtd-requirements.txt
rename to docs-requirements.txt