diff --git a/.readthedocs.yml b/.readthedocs.yml
new file mode 100644
index 000000000..5e3adc29a
--- /dev/null
+++ b/.readthedocs.yml
@@ -0,0 +1,26 @@
+# .readthedocs.yml
+# Read the Docs configuration file
+# See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
+
+# Required
+version: 2
+
+build:
+  os: ubuntu-lts-latest
+  tools:
+    # Need to use mambaforge as miniconda runs out of memory on rtd.
+    python: latest
+
+python:
+  install:
+    - requirements: docs/requirements.txt
+    - requirements: requirements.txt
+    - method: pip
+      path: .
+
+# Build documentation in the docs/ directory with Sphinx
+sphinx:
+  configuration: docs/conf.py
+
+#formats:
+#- htmlzip