diff --git a/online-docs/.readthedocs.yaml b/online-docs/.readthedocs.yaml
new file mode 100644
index 000000000..d616bd499
--- /dev/null
+++ b/online-docs/.readthedocs.yaml
@@ -0,0 +1,15 @@
+version: 1
+
+build:
+  os: "ubuntu-20.04"
+  tools:
+  python: "3.12"
+
+# Build from the docs/ directory with Sphinx
+sphinx:
+  configuration: conf.py
+
+# Explicitly set the version of Python and its requirements
+python:
+  install:
+    - requirements: requirements.txt
diff --git a/online-docs/requirements.txt b/online-docs/requirements.txt
new file mode 100644
index 000000000..fca3ae68e
--- /dev/null
+++ b/online-docs/requirements.txt
@@ -0,0 +1,5 @@
+# Defining the exact version will make sure things don't break
+sphinx==7.0.1
+sphinx_rtd_theme==1.2.2
+readthedocs-sphinx-search==0.1.1
+