diff --git a/.travis.yml b/.travis.yml
index b4a5ad8be77c1b275ad80ad47700f52110c6f7e6..51dd2672dfaa13223d7182b23adcf667b92b8465 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -13,10 +13,12 @@ matrix:
     include:
         - os: linux
           env: SPEC=linux-g++-64 CONFIG=debug SHADOW_BUILD_DIR=/tmp/build_linux_debug
-          sudo: false
+          sudo: required
+          dist: trusty
         - os: linux
           env: SPEC=linux-g++-64 CONFIG=installer SHADOW_BUILD_DIR=/tmp/build_linux_install
-          sudo: false
+          sudo: required 
+          dist: trusty
         - os: osx
           osx_image: xcode7
           env: SPEC=macx-clang CONFIG=debug QT_FATAL_WARNINGS=1 SHADOW_BUILD_DIR=/tmp/build_macos_debug