diff --git a/.travis.yml b/.travis.yml
index 65dc255..3852966 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,9 @@
 language: cpp
 compiler: clang
-
+os:
+  - linux
+  - osx
+    osx_image: xcode9.1
 addons:
   apt:
     sources: