diff --git a/.circleci/config.yml b/.circleci/config.yml
index ee0c99d..05d45c1 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -6,11 +6,12 @@ jobs:
     steps:
       - checkout # check out the code in the project directory
       - save_cache:
-          keys:
+          key:
             - npm-v1-dependencies-{{ checksum "yarn.lock" }}
           paths: ./node_modules/
       - restore_cache:
-          keys: npm-v1-dependencies-{{ checksum "yarn.lock" }}
+          keys:
+            - npm-v1-dependencies-{{ checksum "yarn.lock" }}
       - run: yarn global add node-gyp && yarn install
 
   lint: