diff --git a/.travis.yml b/.travis.yml
index 2305487..88b6f3c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,4 +11,7 @@ script:
 matrix:
     include:
         - os: linux
+          compiler: gcc
+        - os: linux
+          compiler: clang
         - os: osx