diff --git a/.travis.yml b/.travis.yml
index 81118da..3beb837 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,4 +4,6 @@ go:
 - 1.2
 - 1.3
 - 1.4
-- tip
\ No newline at end of file
+- 1.5
+- 1.6
+- tip