diff --git a/.travis.yml b/.travis.yml
index a0a59ca87..11044f302 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -20,6 +20,7 @@ addons:
 
 install:
   - go get -t -v github.com/hajimehoshi/ebiten/...
+  - go get github.com/hajimehoshi/gopherwasm/js
   - go get github.com/gopherjs/gopherjs
   - go get github.com/gopherjs/webgl
   - go get -tags example github.com/hajimehoshi/ebiten/examples/...