roll credentials (#233)

diff --git a/.travis.yml b/.travis.yml
index 82247b4..3b655d7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -31,8 +31,8 @@
 
 env:
   global:
-    - secure: "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"
-    - secure: "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"
+    - secure: "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"
+    - secure: "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"
 
 before_install:
   - npm conf set strict-ssl false