diff --git a/.circleci/config.yml b/.circleci/config.yml
index fcc0e9b5..a0edfa9d 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -38,12 +38,12 @@ jobs:
       - checkout
 
       - restore_cache:
-          key: v1-{{ .Branch }}-{{ checksum 'ansible/requirements.yml' }}
+          key: v1-{{ .Branch }}-{{ checksum "ansible/requirements.yml" }}
 
       - run ansible-galaxy install -r ansible/requirements.yml
 
       - save_cache:
-          key: v1-{{ .Branch }}-{{ checksum 'ansible/requirements.yml' }}
+          key: v1-{{ .Branch }}-{{ checksum "ansible/requirements.yml" }}
           paths:
             - '/root/.ansible/roles'