diff --git a/.github/workflows/readthedocs-pr-update.yml b/.github/workflows/readthedocs-pr-update.yml
new file mode 100644
index 00000000..51429321
--- /dev/null
+++ b/.github/workflows/readthedocs-pr-update.yml
@@ -0,0 +1,31 @@
+name: Read the Docs PR Preview
+on:
+  pull_request_target:
+    types:
+      - opened
+      - synchronize
+      - reopened
+    # Execute this action only on PRs that touch
+    # documentation files.
+    paths:
+      - "graphs/docs/**"
+      - "models/docs/**"
+      - "training/docs/**"
+
+permissions:
+  pull-requests: write
+
+jobs:
+  documentation:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        project:
+          - { path: 'graphs/docs/', slug: 'anemoi-graphs' }
+          - { path: 'models/docs/', slug: 'anemoi-models' }
+          - { path: 'training/docs/', slug: 'anemoi-training' }
+    if: contains(github.event.pull_request.files.*.path, matrix.project.path)
+    steps:
+      - uses: readthedocs/actions/preview@v1
+        with:
+          project-slug: ${{ matrix.project.slug }}