diff --git a/.travis.yml b/.travis.yml
index 85448e9ee..4327c31a8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -17,19 +17,19 @@ matrix:
   include:
   - if: type = cron OR tag is present
     os: osx
-    osx_image: xcode7.3
+    osx_image: xcode9.3
     language: ruby
     rvm: 2.4.0
     env: PYTHON_VER=2.7.10
   - if: type = cron OR tag is present
     os: osx
-    osx_image: xcode7.3
+    osx_image: xcode9.3
     language: ruby
     rvm: 2.4.0
     env: PYTHON_VER=3.4.3
   - if: type = cron OR tag is present
     os: osx
-    osx_image: xcode7.3
+    osx_image: xcode9.3
     language: ruby
     rvm: 2.4.0
     env: PYTHON_VER=3.5.0