diff --git a/.github/actions/deploy_staging/action.yml b/.github/actions/deploy_staging/action.yml
index 7b76bfddbf..7b0c2a7b9b 100644
--- a/.github/actions/deploy_staging/action.yml
+++ b/.github/actions/deploy_staging/action.yml
@@ -59,6 +59,12 @@ runs:
 
         rm .ebextensions/*/06_cloudwatch_alarm.config
 
+    - name: Calculate Build ID
+      shell: bash
+      run: |
+        build_id=${{ hashFiles('apps/${{ inputs.app_name }}/*.ts', 'apps/${{ inputs.app_name }}/*.tsx') }}
+        echo "\nREACT_APP_BUILD_ID=$build_id" >> ./.ebstalk.apps.env/${{ inputs.app_name }}.env
+
     - name: Configure AWS credentials
       uses: aws-actions/configure-aws-credentials@v4
       with: