diff --git a/.backportrc.json b/.backportrc.json
index 64f896c835..558a4c70f3 100644
--- a/.backportrc.json
+++ b/.backportrc.json
@@ -1,5 +1,5 @@
 {
   "upstream": "elastic/security-docs",
-  "branches": [{ "name": "7.x", "checked": true }, "8.14", "8.13", "8.12", "8.11", "8.10", "8.9", "8.8", "8.7", "8.6", "8.5", "8.4", "8.3", "8.2", "8.1", "8.0", "7.17", "7.16", "7.15", "7.14", "7.13", "7.12", "7.11", "7.10", "7.9", "7.8"],
+  "branches": [{ "name": "7.x", "checked": true }, "8.15", "8.14", "8.13", "8.12", "8.11", "8.10", "8.9", "8.8", "8.7", "8.6", "8.5", "8.4", "8.3", "8.2", "8.1", "8.0", "7.17", "7.16", "7.15", "7.14", "7.13", "7.12", "7.11", "7.10", "7.9", "7.8"],
   "labels": ["backport"]
 }
diff --git a/.mergify.yml b/.mergify.yml
index bbea8d26dd..52352bba3c 100644
--- a/.mergify.yml
+++ b/.mergify.yml
@@ -13,6 +13,20 @@ pull_request_rules:
             git merge upstream/{{base}}
             git push upstream {{head}}
             ```
+  - name: backport patches to 8.15 branch
+    conditions:
+      - merged
+      - base=main
+      - label=v8.15.0
+    actions:
+      backport:
+        assignees:
+          - "{{ author }}"
+        branches:
+          - "8.15"
+        title: "[{{ destination_branch }}] {{ title }} (backport #{{ number }})"
+        labels:
+          - backport
   - name: backport patches to 8.14 branch
     conditions:
       - merged