diff --git a/.travis.yml b/.travis.yml
index 8c53a1bee..5d85ad06c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,19 +1,19 @@
 language: node_js
 node_js:
-- 8
+  - 8
 cache:
   directories:
-  - "~/.npm"
+    - "~/.npm"
 install:
-- npm install
+  - npm install
 script:
-- npm run lint
-- npm run test
-- npm run build
+  - npm run lint
+  - npm run test
+  - npm run build
 after_success:
-- npm run travis-deploy-once "npm run semantic-release"
-- npm run coveralls
+  - npm run travis-deploy-once "npm run semantic-release"
+  - npm run coveralls
 env:
   global:
-  - secure: dxQadqP6tsoJzHcqs/Hs5AjE42z45q8ZeWKP5HcjbXoJURB4gc1uIxLky0FA6ZpulaTgRVTLcWQbx9yOODc9PQuFnFEDWlCg5EP8tONzeu7BVlJvV5eakgGUhl9w2pekBKsTGhK5dDg2y2D8bGfIL55UX81uiWeytp8s/y8QNs/FNXx9ScJnfhnC+2RfW52fB7iW12F1VYdQfVe43o5PsHze+YhB3FU/ztGe3iMaQiq9QplZWpvqQMpI7pTjyUAX8ITiiPS6UvLFObgpXpfjZdgd+yveFoi3z8o8F0NkmzBphFeSYFjFZE0qJ8bnGNIZldanMeuUgHmDeTwVmKQFhH2LqqnfcdGgW6UsKcHkSN1G51zzad2dEwAHrgxj1NkMp3JfEed2C7Kvntl6KRjVDmYZqHJvt+e+AHNbpjzblOW8tYMIrdz0TeJdk4D9pP3B3tRCtP6fvQ3GLzAMnaCrSsN6hZ9YVxWku8sg8WNEDHl14sZsdgk312MlHIdiUw97FHGrqx/NCix4IkUlCBDbKYbKzbZp20FfzZcwNRNH74+k6xpOnMGSfq8gByEhm9y02MBL76HiAI2VGct2La1ExaUfoikYGoNaZpFcZyOZKo6PYTYHpiUJmqrEnDyVQEOOXUaVsxWXwnYq/mU4nOEPKCRbNpPoksZdNxf6jlmMi8s=
-  - secure: lrlV0WQaXTRJ2lqDkFZ+1RkRb7YM/STOViOHUNboXb5+1ReVwY0wklFDVk/Qigp3jkbqWfzkBmEjSDVGDLD61QjpGY4BsxZ/Jn3+KUdo0n82Ym6cI/je1fH2gqDLi4U8bylmnkI5oEjV/1txDxkj4hF5w/Leo/oGue3xQohpi//ihhm/PxzExj+QiDqyZPZ5RQZeqLfPEU3Wff04vLE5bRmy1nDTZrgm5Wb1n5ItGsyrUyrCGuAM9kIEun65Snb8hxCuU9pSm1w/xF73iOGLiiC8KZhLu6SxSKoC872ai1GpUXNIqA8kpVeH0Erf5opMtqJT3jTTan/VOFQEoOeAKhR0ga+5rfK2jkhhN77B98dGVndNCfBpDlgQxVv42H6riFk3payZT262QiUqDejiBDtSPTokTGxf7xFtQkQQahhxVXzC2HRKEkDTXNSP8cvk2JJ4zCcUgxJpycudLMuC/Xv0upK+Q0caItBrHxfVNnRKkjKqlDxRhA8nXTY8d2n19FNi7wahCECbyweJJ76EaJaa/Ib6remUBrbGLoQ2PkaSMBHAcn3+7+H/6x11b2s1RHj5qyfIyrvZcDDyNuxdXwpOkhtrkwZsjgtOfXL6IuxW5FExgPPr8B9nNwJJKdTxyxgfqtwBR5+m9nrMixzT6AMe95torZ6eX40gKZ/O9EU=
+    - secure: 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
+    - secure: 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