diff --git a/.travis.yml b/.travis.yml
index 987919a..70e4a91 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,6 +5,7 @@ go:
 
 env:
   - "PATH=/home/travis/gopath/bin:$PATH"
+  - "GO111MODULE=on"
 
 script:
   - go build -v