diff --git a/.github/workflows/e2e.yml b/.github/workflows/e2e.yml
index b1c1f3c..47e8d28 100644
--- a/.github/workflows/e2e.yml
+++ b/.github/workflows/e2e.yml
@@ -2,9 +2,19 @@
 
 on:
   push:
-    branches: [ main ]
+    branches:
+      - main
+      - 'rel/*'
   pull_request:
-    branches: [ main ]
+    branches:
+      - main
+      - 'rel/*'
+  # allow manually run the action:
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
 
 jobs:
 
diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index 90046ed..f876414 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -2,9 +2,20 @@
 
 on:
   push:
-    branches: [ main ]
+    branches:
+      - main
+      - 'rel/*'
   pull_request:
-    branches: [ main ]
+    branches:
+      - main
+      - 'rel/*'
+  # allow manually run the action:
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 
 jobs: