diff --git a/.circleci/config.yml b/.circleci/config.yml
index fb0569b..577428f 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -1,4 +1,7 @@
-version: 2
+version: 2.1
+orbs:
+  slack: circleci/slack@3.4.2
+
 jobs:
   build:
     docker:
@@ -38,18 +41,23 @@ jobs:
                        --password=$SANDBOX_PASSWORD \
                        --client-id=50 \
                        tap_tester.suites.google_sheets
+      - slack/notify-on-failure:
+          only_for_branches: master
+
 workflows:
   version: 2
   commit:
     jobs:
-      - build
+      - build:
+          context: circleci-user
   build_daily:
     triggers:
       - schedule:
-          cron: "0 0 * * *"
+          cron: "0 15 * * *"
           filters:
             branches:
               only:
                 - master
     jobs:
-      - build
+      - build:
+          context: circleci-user