diff --git a/.circleci/config.yml b/.circleci/config.yml
index 5882b7c..9559f9a 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -4,7 +4,7 @@ jobs:
     docker:
       - image: circleci/node:9-stretch-browsers
     environment:
-      - FIREFOX_VERSION: "59.0b9"
+      - FIREFOX_VERSION: "59.0.3"
     working_directory: ~
     steps:
       - restore_cache: