roll credentials (#382)

diff --git a/.travis.yml b/.travis.yml
index f2a4dbc..b4ceb8d 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:
   - ./tools/travis/setup.sh