diff --git a/.readthedocs.yaml b/.readthedocs.yaml
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+# Copyright (c) 2023, Arm Limited. All rights reserved
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+# Configuration file for the readthedocs deploy
+# Available at https://trustedfirmware-a.readthedocs.io/en/latest/
+
+
+# readthedocs config version
+version: 2
+
+build:
+  os: ubuntu-22.04 # Ubuntu Jammy LTS
+
+python:
+  install:
+    - requirements: docs/requirements.txt
+
+sphinx:
+  configuration: docs/conf.py
+
+# Auxiliary formats to export to (in addition to the default HTML output).
+formats:
+  - pdf
+