diff --git a/.travis.yml b/.travis.yml
index de347b20..beb3a2f3 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,9 +1,11 @@
 language: cpp
 compiler:
 - gcc
-os:
-- linux
-- osx
+matrix:
+  include:
+    - os: linux
+      dist: trusty
+    - os: osx
 before_install:
 - if [[ $TRAVIS_OS_NAME == 'linux' ]]; then sudo apt-get install scons mingw32 mingw32-binutils zlib1g-dev libcppunit-dev; fi
 - if [[ $TRAVIS_OS_NAME == 'osx' ]]; then brew update; fi