diff --git a/.travis.yml b/.travis.yml
index 0595ddb..8f90db6 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,6 +4,8 @@ go:
   - 1.1
   - 1.2
   - 1.3
+  - 1.4
+  - 1.5
   - tip
 
 script: