diff --git a/.circleci/config.yml b/.circleci/config.yml
index 6468afe7..7b935441 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -30,14 +30,14 @@ jobs:
       - restore_cache:
           keys:
           # "composer.lock" can be used if it is committed to the repo
-          - v1-dependencies-{{ checksum "composer.json" }}
+          - composer-v1-{{ checksum "composer.json" }}
           # fallback to using the latest cache if no exact match is found
-          - v1-dependencies-
+          - composer-v1-
 
       - run: composer install -n --prefer-dist
 
       - save_cache:
-          key: composer-v1-{{ checksum "composer.lock" }}
+          key: composer-v1-{{ checksum "composer.json" }}
           paths:
             - vendor