diff --git a/.circleci/config.yml b/.circleci/config.yml
index d1b44d4..96dfd40 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -1,4 +1,4 @@
-version: 2
+version: 2.1
 jobs:
   build:
     docker:
@@ -29,7 +29,6 @@ jobs:
       - run: bundle exec rake
 
 workflows:
-  version: 2
   build_and_test:
     jobs:
       - build: