diff --git a/.circleci/config.yml b/.circleci/config.yml
index 2255716..8c1988c 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -1,7 +1,7 @@
 # Golang CircleCI 2.0 configuration file
 #
 # Check https://circleci.com/docs/2.0/language-go/ for more details
-version: 2
+version: 2.1
 jobs:
   build-linux:
     docker: