diff --git a/.travis.yml b/.travis.yml
index c93090c2..98c96729 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,7 @@
 language: go
 go:
-- 1.4
-- 1.5
+- 1.4.2
+- 1.5.1
 install:
 - DST=~/gopath/src/github.com/nats-io
 - mkdir -p "$DST"