diff --git a/.travis.yml b/.travis.yml
index f8646c624..f25571af7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -15,6 +15,12 @@ addons:
   apt:
     update: TRUE
 
+before_install:
+  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew install llvm &&
+    export PATH="/usr/local/opt/llvm/bin:$PATH" &&
+    export LDFLAGS="-L/usr/local/opt/llvm/lib" &&
+    export CFLAGS="-I/usr/local/opt/llvm/include"; fi
+
 r_packages:
   - covr