diff --git a/.travis.yml b/.travis.yml
index dc3b2d0..7c6ee33 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,8 +8,8 @@ matrix:
       compiler: clang
       addons:
         apt:
-          sources: ['ubuntu-toolchain-r-test', 'llvm-toolchain-precise-3.7']
-          packages: ['clang-3.7', 'g++-5']
+          sources: ['ubuntu-toolchain-r-test', 'llvm-toolchain-precise-7']
+          packages: ['clang-7', 'g++-5']
 
 before_script:
   - export PATH="$PATH:$HOME/.cargo/bin"