diff --git a/.circleci/config.yml b/.circleci/config.yml
index c440c12..80be023 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -1,4 +1,4 @@
-version: 2.0
+version: 2.1
 jobs:
   build:
     docker: