diff --git a/.travis.yml b/.travis.yml
index 9b25a2b..ae90a1d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,6 @@
 language: objective-c
 xcode_project: WechatKit.xcodeproj
-osx_image: xcode8
+osx_image: xcode9
 xcode_sdk: iphonesimulator10.0
 xcode_scheme: WechatKit