diff --git a/.github/workflows/deploy_app.yaml b/.github/workflows/deploy_app.yaml
index b290a16..d27a13e 100644
--- a/.github/workflows/deploy_app.yaml
+++ b/.github/workflows/deploy_app.yaml
@@ -40,4 +40,4 @@ jobs:
       title: 'Thumbnailer production deploy complete'
       title_link: 'thumbnails.zooniverse.org'
     secrets:
-      slack_webhook_url: ${{ secrets.SLACK_WEBHOOK_URL }}
\ No newline at end of file
+      slack_webhook_url: ${{ secrets.SLACK_WEBHOOK_URL }}