Update .travis.yml

Robert Gummesson · web-flow · commit 9db479adfbe9 · 2018-04-12T22:32:51.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,3 +1,3 @@
 language: swift
-osx_image: xcode9
+osx_image: xcode9.3
 script: xcodebuild -project BuildTimeAnalyzer.xcodeproj -scheme BuildTimeAnalyzer build test
