diff --git a/.github/workflows/apache-rat-audit.yml b/.github/workflows/apache-rat-audit.yml
index ced9402d17e..4826fc89228 100644
--- a/.github/workflows/apache-rat-audit.yml
+++ b/.github/workflows/apache-rat-audit.yml
@@ -32,9 +32,9 @@ name: Apache Rat License Check
 
 on:
   push:
-    branches: [main]
+    branches: [main, REL_2_STABLE]
   pull_request:
-    branches: [main]
+    branches: [main, REL_2_STABLE]
     types: [opened, synchronize, reopened, edited]
   workflow_dispatch:
 
diff --git a/.github/workflows/build-cloudberry.yml b/.github/workflows/build-cloudberry.yml
index dcad89f30cb..9d44d06bbdc 100644
--- a/.github/workflows/build-cloudberry.yml
+++ b/.github/workflows/build-cloudberry.yml
@@ -102,9 +102,9 @@ name: Apache Cloudberry Build
 
 on:
   push:
-    branches: [main]
+    branches: [main, REL_2_STABLE]
   pull_request:
-    branches: [main]
+    branches: [main, REL_2_STABLE]
     types: [opened, synchronize, reopened, edited]
   workflow_dispatch:
     inputs:
diff --git a/.github/workflows/build-dbg-cloudberry.yml b/.github/workflows/build-dbg-cloudberry.yml
index 4bc23a5d677..967fc259f0b 100644
--- a/.github/workflows/build-dbg-cloudberry.yml
+++ b/.github/workflows/build-dbg-cloudberry.yml
@@ -102,9 +102,9 @@ name: Apache Cloudberry Build Debug
 
 on:
   push:
-    branches: [main]
+    branches: [main, REL_2_STABLE]
   pull_request:
-    branches: [main]
+    branches: [main, REL_2_STABLE]
     types: [opened, synchronize, reopened, edited]
   workflow_dispatch:
     inputs:
diff --git a/.github/workflows/build-deb-cloudberry.yml b/.github/workflows/build-deb-cloudberry.yml
index 68dc9daeba1..be28fff9e77 100644
--- a/.github/workflows/build-deb-cloudberry.yml
+++ b/.github/workflows/build-deb-cloudberry.yml
@@ -74,9 +74,9 @@ name: Apache Cloudberry Debian Build
 
 on:
   push:
-    branches: [main]
+    branches: [main, REL_2_STABLE]
   pull_request:
-    branches: [main]
+    branches: [main, REL_2_STABLE]
     types: [opened, synchronize, reopened, edited]
   workflow_dispatch:  # Manual trigger
     inputs: