diff --git a/.dependency/prepare_source_zip.sh b/.dependency/prepare_source_zip.sh
index 4c1c062..527dd47 100755
--- a/.dependency/prepare_source_zip.sh
+++ b/.dependency/prepare_source_zip.sh
@@ -21,7 +21,7 @@ SCRIPT_NAME=$(basename "$0")
 SCRIPT_PWD=$(cd "$(dirname "$0")" && pwd)
 ROOT_PWD=$(cd "$SCRIPT_PWD" && cd .. && pwd)
 cd "$ROOT_PWD"
-WORK_BRANCH=master
+# WORK_BRANCH set as env
 ZOWE_MANIFEST="https://raw.githubusercontent.com/zowe/zowe-install-packaging/${WORK_BRANCH}/manifest.json.template"
 WORK_DIR=.release
 ZIP_DIR="${WORK_DIR}/source_zip"
diff --git a/.github/workflows/release-v1.yml b/.github/workflows/release-v1.yml
index d82b646..366ff7c 100644
--- a/.github/workflows/release-v1.yml
+++ b/.github/workflows/release-v1.yml
@@ -132,6 +132,8 @@ jobs:
       - name: '[Source - formal release only!] Generate source build'
         timeout-minutes: 10
         if: env.IS_FORMAL_RELEASE == 'true'
+        env: 
+          WORK_BRANCH: v1.x/master
         run: |
           export GITHUB_USERNAME=${{ secrets.ZOWE_ROBOT_USER }}
           export GITHUB_PASSWORD=${{ secrets.ZOWE_ROBOT_TOKEN }}
diff --git a/.github/workflows/release-v2.yml b/.github/workflows/release-v2.yml
index d930faf..8da4d45 100644
--- a/.github/workflows/release-v2.yml
+++ b/.github/workflows/release-v2.yml
@@ -136,6 +136,8 @@ jobs:
       - name: '[Source - formal release only!] Generate source build'
         timeout-minutes: 10
         if: env.IS_FORMAL_RELEASE == 'true'
+        env: 
+          WORK_BRANCH: v2.x/master
         run: |
           export GITHUB_USERNAME=${{ secrets.ZOWE_ROBOT_USER }}
           export GITHUB_PASSWORD=${{ secrets.ZOWE_ROBOT_TOKEN }}
diff --git a/.github/workflows/release-v3.yml b/.github/workflows/release-v3.yml
index f62600b..9dbed12 100644
--- a/.github/workflows/release-v3.yml
+++ b/.github/workflows/release-v3.yml
@@ -136,6 +136,8 @@ jobs:
       - name: '[Source - formal release only!] Generate source build'
         timeout-minutes: 10
         if: env.IS_FORMAL_RELEASE == 'true'
+        env: 
+          WORK_BRANCH: v3.x/master
         run: |
           export GITHUB_USERNAME=${{ secrets.ZOWE_ROBOT_USER }}
           export GITHUB_PASSWORD=${{ secrets.ZOWE_ROBOT_TOKEN }}