diff --git a/.travis.yml b/.travis.yml
index c6accf8..099bcde 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,6 +2,11 @@ language: c++
 compiler:
   - clang
   - gcc
+before_install:
+  - sudo add-apt-repository ppa:ubuntu-toolchain-r/test -y
+  - sudo apt-get update -qq
+  - if [ "$CXX" = "g++" ]; then sudo apt-get install -qq g++-4.7; fi
+  - if [ "$CXX" = "g++" ]; then export CXX="g++-4.8" CC="gcc-4.8"; fi
 before_script:
   - mkdir build
   - cd build