diff --git a/.travis.yml b/.travis.yml
index cd71721..7baaebc 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,8 +1,8 @@
 language: go
 
 go:
-  - 1.10
-  - 1.11
+  - "1.10"
+  - "1.11"
 
 before_script:
   - go vet ./...