diff --git a/.travis.yml b/.travis.yml
index cf730fa8d..3c5b28d39 100755
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,5 @@
 language: cpp
-osx_image: xcode6.4
+osx_image: xcode9.4
 dist: xenial
 os:
 - linux