diff --git a/.github/workflows/run_deploy_dev.yaml b/.github/workflows/run_deploy_dev.yaml
index e90b4b15ec7..8edba99220a 100644
--- a/.github/workflows/run_deploy_dev.yaml
+++ b/.github/workflows/run_deploy_dev.yaml
@@ -4,11 +4,12 @@ on:
     workflows: ["run_build"]
     types:
       - completed
+ 
 jobs:
-
   deploy_to_ecs:
     runs-on: ubuntu-latest
-    if: github.event.pull_request.merged == true
+    if: ${{ github.event.workflow_run.conclusion == 'success' && github.event.pull_request.merged == true }} 
+
     env:
       TASK_FAMILY_PREFIX: backend
       ECS_CLUSTER_NAME: cmiml-dev