diff --git a/.circleci/config.yml b/.circleci/config.yml
index a444ac2108..e594d02388 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -1,4 +1,4 @@
-version: 2
+version: 2.1
 
 machine-config: &machine-config
   machine: true