diff --git a/.travis.yml b/.travis.yml
index a917cbe1e..6dacbae6e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -138,14 +138,14 @@ jobs:
     - compiler: clang++-3.7
       env: TOOLSET=clang
       os: linux
-      dist: trusty
+      dist: precise
       addons:
         apt:
           packages:
             - clang-3.7
-            - libstdc++-4.9-dev
           sources:
             - ubuntu-toolchain-r-test
+            - llvm-toolchain-precise-3.7
     - compiler: clang++-3.8
       env: TOOLSET=clang
       os: linux