diff --git a/.travis.yml b/.travis.yml
index 282e1d7..9e8a6ac 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -39,7 +39,7 @@ matrix:
         apt:
           sources:
             - ubuntu-toolchain-r-test
-            - llvm-toolchain-precise-5.0
+            - llvm-toolchain-trusty-5.0
           packages:
             - clang-5.0
       env: COMPILER=clang++-5.0