diff --git a/.travis.yml b/.travis.yml
index a032f41..4f34990 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,7 +11,7 @@ env:
 
 before_install:
  - sudo apt-get update -qq
- - sudo apt-get install -qq libgtk-3-dev libgtk-3-0:i386 libc6-dev:i386
+ - sudo apt-get install -qq libgtk-3-dev libgtk-3-0:i386 gcc-multilib
  - go tool dist install cmd/8a
  - go tool dist install cmd/8c
  - go tool dist install cmd/8g