diff --git a/.travis.yml b/.travis.yml
index dc43afd..60030e9 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,8 @@
 language: go
 go:
-  - 1.3
+  - 1.3.3
   - 1.4.2
+  - 1.5.1
   - tip
 script:
   - go test ./...