diff --git a/.github/mergify.yml b/.github/mergify.yml
index d22fe47f228..7566062914d 100644
--- a/.github/mergify.yml
+++ b/.github/mergify.yml
@@ -62,6 +62,14 @@ pull_request_rules:
       backport:
         branches:
           - release/v8.7.x
+  - name: backport patches to v8.8.x branch
+    conditions:
+      - base=main
+      - label=backport-to-v8.8.x
+    actions:
+      backport:
+        branches:
+          - release/v8.8.x
   - name: backport patches to v10.2.x branch
     conditions:
       - base=main
diff --git a/.github/workflows/e2e-compatibility.yaml b/.github/workflows/e2e-compatibility.yaml
index 4f9e62aa156..09f10dfe5f9 100644
--- a/.github/workflows/e2e-compatibility.yaml
+++ b/.github/workflows/e2e-compatibility.yaml
@@ -15,6 +15,7 @@ on:
         options:
           - release/v7.10.x
           - release/v8.7.x
+          - release/v8.8.x
           - release/v10.3.x
           - main
       ibc-go-version:
@@ -54,6 +55,7 @@ jobs:
         release-branch:
           - release/v7.10.x
           - release/v8.7.x
+          - release/v8.8.x
           - release/v10.3.x
           - main
     steps: