diff --git a/.circleci/config.yml b/.circleci/config.yml
index f5929f2a69..73bd538776 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -22,8 +22,8 @@ version: 2.1
 # **NOTE 1 **: If you change the cache key prefix, also sync the cache_key_fallback to match.
 # **NOTE 2 **: Keep the static part of the cache key as prefix to enable correct fallbacks.
 # See https://circleci.com/docs/2.0/caching/#restoring-cache for how prefixes work in CircleCI.
-var_3: &cache_key v3-angular-node-12-{{ checksum "yarn.lock" }}-{{ checksum "WORKSPACE" }}-{{ checksum "packages/bazel/package.bzl" }}-{{ checksum "aio/yarn.lock" }}
-var_4: &cache_key_fallback v3-angular-node-12-
+var_3: &cache_key v4-angular-node-12-{{ checksum "yarn.lock" }}-{{ checksum "WORKSPACE" }}-{{ checksum "packages/bazel/package.bzl" }}-{{ checksum "aio/yarn.lock" }}
+var_4: &cache_key_fallback v4-angular-node-12-
 var_3_win: &cache_key_win v5-angular-win-node-12-{{ checksum "yarn.lock" }}-{{ checksum "WORKSPACE" }}-{{ checksum "packages/bazel/package.bzl" }}-{{ checksum "aio/yarn.lock" }}
 var_4_win: &cache_key_win_fallback v5-angular-win-node-12-