diff --git a/.travis.yml b/.travis.yml
index b08641d..87ba52f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,6 +8,11 @@ go:
 - 1.3.3
 - 1.4.2
 - 1.5.1
+- tip
+
+matrix:
+  allow_failures:
+    - go: tip
 
 script:
 - go vet ./...