diff --git a/.travis.yml b/.travis.yml
index fd610f9d..f4cf8fe7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -48,7 +48,7 @@ matrix:
     addons:
       apt:
         sources: ['ubuntu-toolchain-r-test', 'llvm-toolchain-trusty-5.0']
-        packages: ['clang-5.0', 'llvm-5.0-dev', 'ninja-build']
+        packages: ['g++-6', 'clang-5.0', 'ninja-build']
     after_failure:
       - make clang_sanitize -j4