diff --git a/.travis.yml b/.travis.yml
index e1ac7f28..1431e15a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,8 +1,8 @@
 language: go
 
 go:
-    - 1.9
-    - 1.10
+    - "1.9"
+    - "1.10"
 
 install: true