diff --git a/.travis.yml b/.travis.yml
index f3e3e9e..de02c41 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,7 +4,7 @@ git:
   submodules: false
 before_install:
   - brew update; brew update
-  # - brew outdated xctool || brew upgrade xctool
   - brew install carthage
+  - git submodule update --init
 install: script/update
 script: script/test