diff --git a/.readthedocs.yml b/.readthedocs.yml
new file mode 100644
index 00000000..dc5115f1
--- /dev/null
+++ b/.readthedocs.yml
@@ -0,0 +1,20 @@
+version: 2
+build:
+  os: ubuntu-20.04
+  tools:
+    python: "3.9"
+  apt_packages:
+    - graphviz
+
+sphinx:
+  builder: html
+  configuration: docs/conf.py
+  fail_on_warning: false
+
+python:
+   install:
+     - method: pip
+       extra_requirements:
+        - all
+        - docs
+       path: .
diff --git a/readthedocs.yml b/readthedocs.yml
deleted file mode 100644
index d16124ba..00000000
--- a/readthedocs.yml
+++ /dev/null
@@ -1,21 +0,0 @@
-# readthedocs.yml
-# Read the Docs configuration file
-# See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
-
-version: 2
-
-build:
-  image: latest
-
-sphinx:
-  builder: html
-  configuration: docs/conf.py
-  fail_on_warning: false
-
-python:
-   install:
-     - requirements: docs/rtd_requirements.txt
-     - method: pip
-       extra_requirements:
-          - dev
-       path: .