diff --git a/.circleci/config.yml b/.circleci/config.yml
index 7f6d6ec6..9a98faf8 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -42,16 +42,17 @@ aliases:
     paths:
     - /usr/local/Homebrew
     - /usr/local/Cellar
-    key: v1-brew-cache-{{ arch }}
+    - /usr/local/opt
+    key: v2-brew-cache-{{ arch }}
 
   - &restore-brew-cache
     keys:
-    - v1-brew-cache-{{ arch }}
+    - v2-brew-cache-{{ arch }}
 
   - &configure-jet-detox-environment
     name: Configure Jet + Detox Environment
     command: |
-      brew install --overwrite node@8 --force
+      brew install node@8
       brew link --overwrite node@8 --force
       brew tap wix/brew
       brew install applesimutils
@@ -155,7 +156,6 @@ jobs:
 
   analyse:
     <<: *js_defaults
-    parallelism: 3
     steps:
     - attach_workspace:
         at: ~/react-native-firebase