diff --git a/.readthedocs.yaml b/.readthedocs.yaml
new file mode 100644
index 00000000..9375a9f6
--- /dev/null
+++ b/.readthedocs.yaml
@@ -0,0 +1,15 @@
+version: 2
+
+build:
+  os: "ubuntu-20.04"
+  tools:
+    python: "3.10"
+  jobs:
+    post_checkout:
+      - git fetch --unshallow
+
+python:
+  install:
+    - method: pip
+      path: .
+    - requirements: docs/requirements.txt
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6d44e5de..535492fc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -202,6 +202,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Allow any MessagePack supported type as a request key (#240).
 - Puting test files in pip package (#238).
 - Make connection close idempotent (#250).
+- readthedocs version (#255).
 
 ## 0.9.0 - 2022-06-20