diff --git a/.travis.yml b/.travis.yml
index 77d77e7784f..b10509e2425 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -14,6 +14,7 @@ addons:
       - ubuntu-toolchain-r-test
       - sourceline: 'ppa:kzemek/boost'
     packages:
+      - g++-6
       - libboost1.58-dev
       - libboost-filesystem1.58-dev
       - libboost-iostreams1.58-dev