diff --git a/.circleci/config.yml b/.circleci/config.yml
index 64da6c3ef0..623a3f2035 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -11,7 +11,7 @@
 # If you change the `default_docker_image` version, also change the `cache_key` version
 var_1: &default_docker_image circleci/node:10.12
 var_2: &browsers_docker_image circleci/node:10.12-browsers
-var_3: &cache_key node-0.12-{{ checksum "yarn.lock" }}-{{ checksum "examples/program/yarn.lock" }}-{{ checksum "internal/npm_install/test/package/yarn.lock" }}
+var_3: &cache_key node-0.12-{{ checksum "yarn.lock" }}-{{ checksum "examples/program/yarn.lock" }}-{{ checksum "internal/npm_install/test/package/yarn.lock" }}-2
 
 var_4: &init_environment
   run: