diff --git a/.travis.yml b/.travis.yml
index 88dd16e3..5daea078 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,8 +2,10 @@ language: c
 os:
   - linux
   - osx
+sudo: required
+dist: trusty
 install:
-  - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then sudo add-apt-repository -y ppa:smspillaz/cmake-master; sudo add-apt-repository -y ppa:ondrej/php5; sudo apt-get update -qq; sudo apt-get install -q -y cmake cmake-data libpng12-dev zlib1g-dev libjson0-dev libfontconfig1-dev libgtkmm-2.4-dev libpangomm-1.4-dev libgl1-mesa-dev libglu-dev libglew-dev libfreetype6-dev dpkg-dev; fi
+  - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then sudo apt-get update -qq; sudo apt-get install -q -y cmake cmake-data libpng12-dev zlib1g-dev libjson0-dev libfontconfig1-dev libgtkmm-2.4-dev libpangomm-1.4-dev libgl1-mesa-dev libglu-dev libglew-dev libfreetype6-dev dpkg-dev; fi
   - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew update; brew upgrade cmake libpng; fi
 script:
   - mkdir cbuild