diff --git a/.travis.yml b/.travis.yml
index 1f7dea1..3202318 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,7 @@
 language: go
 go:
   - 1.4
+  - 1.5
+  - 1.6
   - tip
 install: make deps