diff --git a/.travis.yml b/.travis.yml
index 49c0935..32e2275 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,8 +3,10 @@ sudo: false
 language: go
 
 go:
-  - 1.9.x
-  - 1.10.x
+  - "1.7.x"
+  - "1.8.x"
+  - "1.9.x"
+  - "1.10.x"
   - master
 
 matrix: