diff --git a/.circleci/config.yml b/.circleci/config.yml
index f984cf8992..c1cb563bf6 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -11,12 +11,12 @@ jobs:
       - checkout
       - run: echo 'export PATH=$HOME/CIRCLE_PROJECT_REPONAME/node_modules/.bin:$PATH' >> $BASH_ENV
       - restore_cache:
-          key: dependency-cache-{{ checksum "package.json" }}
+          key: dependency-cache-v1-{{ checksum "package.json" }}
       - run:
           name: yarn
           command: yarn --frozen-lockfile
       - save_cache:
-          key: dependency-cache-{{ checksum "package.json" }}
+          key: dependency-cache-v1-{{ checksum "package.json" }}
           paths:
             - ./node_modules
       - run: wget https://s3.amazonaws.com/testrpc-shapshots/${CONTRACTS_COMMIT_HASH}.zip