diff --git a/.travis.yml b/.travis.yml
index 4bd6576f9f..d62e488fce 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,7 +3,7 @@ sudo: false
 language: go
 
 go:
-- 1.8.x
+- 1.9.x
 
 go_import_path: github.com/prometheus/tsdb