1 files changed, 1 insertions, 0 deletions
diff --git a/.travis.yml b/.travis.yml
index 8f34664f..751f4b9c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,6 +9,7 @@ addons:
   apt:
     sources:
       - ubuntu-toolchain-r-test
+      - llvm-toolchain-xenial-8
     packages:
       - cmake
       - valgrind