diff --git a/.travis.yml b/.travis.yml
index 1e34062b..77cb5319 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -15,6 +15,8 @@ branches:
 os:
   - osx
 
+osx_image: xcode9.3
+
 cache:
   directories:
     - node_modules