diff --git a/.github/workflows/post-release-automerge.yml b/.github/workflows/post-release-automerge.yml
new file mode 100644
index 0000000000..8555f5c4fa
--- /dev/null
+++ b/.github/workflows/post-release-automerge.yml
@@ -0,0 +1,19 @@
+name: 'Merge the release to develop'
+run-name:  Merge the released `${{ github.head_ref }}` from `trunk` to `develop`
+
+# **What it does**: Merges trunk to develop after `release/*` is merged to `trunk`.
+# **Why we have it**: To automate the release process and follow git-flow.
+
+on:
+  pull_request:
+    types:
+      - closed
+    branches:
+      - trunk
+
+jobs:
+  automerge_trunk:
+    name: Automerge released trunk
+    runs-on: ubuntu-latest
+    steps:
+      - uses: woocommerce/grow/automerge-released-trunk@actions-v1