diff --git a/.travis.yml b/.travis.yml
index bdb7704..04c67b3 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,6 +8,7 @@ os:
  - linux
 
 script:
+ - go get github.com/mjibson/esc
  - go generate
  - go build
  - go test