diff --git a/.travis.yml b/.travis.yml
index 64bdbb4441..95c5532d9f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,7 +9,7 @@ mono: none
 os:
 - linux
 - osx
-osx_image: xcode8.2
+osx_image: xcode9.3beta
 addons:
   apt:
     packages: