roll credentials (#393)

diff --git a/.travis.yml b/.travis.yml
index a0578a0..e987ba6 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -33,9 +33,9 @@
 
 env:
   global:
-    - secure: "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"
-    - secure: "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"
     - LUA=lua5.1
+    - secure: "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"
+    - secure: "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"
 
 before_install:
   - ./tools/travis/scan.sh