diff --git a/.travis.yml b/.travis.yml
index 9bda9817761952330626b2c209d4ac3bac620ef6..821c813ec8cff44312cb8cfca912311828dfef36 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,13 @@
 language: c
 
+compiler:
+  - gcc
+  - clang
+
+os:
+  - linux
+  - osx
+
 env:
   - CONFIG=""
   - CONFIG="--enable-assertions"