From dd21d29b2b659230cbc668266e1187b5c9524047 Mon Sep 17 00:00:00 2001
From: Bruno Barbieri <bruno.barbieri@consensys.net>
Date: Fri, 6 Jul 2018 16:44:27 -0400
Subject: Update config.yml

---
 .circleci/config.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index 4e6f836e5..6af712ee4 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -120,7 +120,7 @@ jobs:
     steps:
       - checkout
       - restore_cache:
-          keys: dependency-cache-firefox-
+          keys: dependency-cache-firefox-{{ .Revision }}
       - run:
           name: Download Firefox If needed
           command: ./.circleci/scripts/firefox-download.sh
-- 
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