diff --git a/.travis.yml b/.travis.yml
index 2be2f60..71e50af 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,9 +3,9 @@ node_js:
 - 4
 - stable
 before_install:
-- sudo add-apt-repository ppa:ubuntu-toolchain-r/test
+- sudo add-apt-repository ppa:ubuntu-toolchain-r/test -y
 - sudo apt-get update
-- sudo apt-get install -y libstdc++-4.9-dev
+- sudo apt-get install libstdc++-4.9-dev -y
 deploy:
   provider: npm
   email: npm@lossless.digital