diff --git a/.circleci/config.yml b/.circleci/config.yml
index f073b44..e57b7ca 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -7,6 +7,7 @@ jobs:
       - PATH: "/home/ubuntu/cmake-3.11.0-Linux-x86_64/bin:$PATH"
       - CXX: g++-7.1
     steps:
+      - checkout
       - save_cache:
         key: dependency-cache
         path: