diff --git a/.travis.yml b/.travis.yml
index 24591e3..407ab52 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,9 +1,11 @@
 language: go
+env:
+  - GO111MODULE=on
 go:
-  - '1.8'
-  - '1.9'
   - '1.10'
   - '1.11'
+  - '1.12'
+  - '1.13'
 before_install:
   - go mod tidy
 script: