diff --git a/.travis.yml b/.travis.yml
index 0e2a46cc..1343921a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -13,7 +13,7 @@ before_install:
 - echo "deb https://dl.bintray.com/sbt/debian /" | sudo tee -a /etc/apt/sources.list.d/sbt.list
 - sudo apt-get update
 install:
-- sudo apt-get install -y sbt libc6-dev-i386 lib32ncurses5-dev libx11-dev g++-multilib lib32z1-dev ccache
+- sudo apt-get install -y --force-yes sbt libc6-dev-i386 lib32ncurses5-dev libx11-dev g++-multilib lib32z1-dev ccache
 - export NDK_CCACHE=ccache
 - export ARCH=`uname -m`
 - wget http://dl.google.com/android/ndk/android-ndk-r10d-linux-${ARCH}.bin