diff --git a/.circleci/config.yml b/.circleci/config.yml
index 928f67b..516f499 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -104,23 +104,25 @@ jobs:
 
   deploy-heroku:
     <<: *shared-config
+    docker:
+      - image: buildpack-deps:trusty
+        auth:
+          username: *dockerhub-user-id
+          password: *dockerhub-password
     steps:
+      - checkout
       - setup_dependencies
-      -docker:
-        - image: buildpack-deps:trusty
-        steps:
-          - checkout
-          - run:
-              name: Heroku Deploy
-              command: git push https://heroku:$HEROKU_API_KEY@git.heroku.com/$HEROKU_APP_NAME.git HEAD:main
-          - run:
-              name: Smoke Test
-              command: |
-                HTTPCODE=`curl -s -o /dev/null -w "%{http_code}" https://$HEROKU_APP_NAME.herokuapp.com/`
-                if [ "$HTTPCODE" -ne 200 ];then
-                    echo "heroku app not responding, failing deploy"
-                    exit 1
-                fi
+      - run:
+          name: Heroku Deploy
+          command: git push https://heroku:$HEROKU_API_KEY@git.heroku.com/$HEROKU_APP_NAME.git HEAD:main
+      - run:
+          name: Smoke Test
+          command: |
+            HTTPCODE=`curl -s -o /dev/null -w "%{http_code}" https://$HEROKU_APP_NAME.herokuapp.com/`
+            if [ "$HTTPCODE" -ne 200 ];then
+                echo "heroku app not responding, failing deploy"
+                exit 1
+            fi
 
 
 # --- Workflow definition --- #