travis: use go1.5.4

diff --git a/.travis.yml b/.travis.yml
index 9f2a0c2..fb135c9 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,7 +5,7 @@ dist: trusty
 
 matrix:
   include:
-    - go: 1.5.3
+    - go: 1.5.4
       env: GO15VENDOREXPERIMENT=1
     - go: 1.6.2
     - go: tip