diff --git a/.readthedocs.yaml b/.readthedocs.yaml
new file mode 100644
index 00000000..b26b2e09
--- /dev/null
+++ b/.readthedocs.yaml
@@ -0,0 +1,20 @@
+version: 2
+
+build:
+  os: ubuntu-24.04
+  tools:
+    python: "3.14"
+  apt_packages:
+    - graphviz
+    - plantuml
+
+sphinx:
+  configuration: doc/source/conf.py
+  fail_on_warning: true
+
+python:
+  install:
+    - method: uv
+      command: sync
+      groups:
+        - doc
diff --git a/changelog.d/+readthedocs-config.infrastructure.md b/changelog.d/+readthedocs-config.infrastructure.md
new file mode 100644
index 00000000..eb9fb5c6
--- /dev/null
+++ b/changelog.d/+readthedocs-config.infrastructure.md
@@ -0,0 +1 @@
+Add a checked-in Read the Docs build configuration so docs builds install the required doc dependencies and system packages.