bump xcode version

randy3k · randy3k · commit ecf6add3e641 · 2020-04-13T16:08:17.000-07:00
diff --git a/.circleci/config.yml b/.circleci/config.yml
@@ -27,7 +27,7 @@ jobs:
 
   build-macos:
     macos:
-      xcode: "9.0"
+      xcode: "11.4.0"
     steps:
       - checkout
       - run: |
