diff --git a/.github/workflows/integration_test.yml b/.github/workflows/integration_test.yml
index 686595e5..bb55d96d 100644
--- a/.github/workflows/integration_test.yml
+++ b/.github/workflows/integration_test.yml
@@ -37,7 +37,7 @@ jobs:
         REPO_SLUG: optimizely/react-sdk-e2e-tests
         FULLSTACK_TEST_REPO: ${{ inputs.FULLSTACK_TEST_REPO }}
         BUILD_NUMBER: ${{ github.run_id }}
-        TESTAPP_BRANCH: master
+        TESTAPP_BRANCH: 3.x.x 
         GITHUB_TOKEN: ${{ secrets.CI_USER_TOKEN }}
         EVENT_TYPE: ${{ github.event_name }}
         GITHUB_CONTEXT: ${{ toJson(github) }}
@@ -50,4 +50,4 @@ jobs:
         EVENT_MESSAGE: ${{ github.event.message }}
         HOME: 'home/runner'
       run: |
-        home/runner/travisci-tools/trigger-script-with-status-update.sh main
+        home/runner/travisci-tools/trigger-script-with-status-update.sh 3.x.x