diff --git a/.travis.yml b/.travis.yml
index 94f26d6..b8f6d82 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,9 +5,10 @@ language: generic
 sudo: required
 dist: trusty
 
-osx_image: xcode9
+osx_image: xcode9.3
 before_install:
     - if [ $TRAVIS_OS_NAME == "osx" ]; then
+            brew update;
             brew tap vapor/tap;
             brew update;
             brew install vapor;