diff --git a/.circleci/config.yml b/.circleci/config.yml
index aab8ed162..8e79951f0 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -5,7 +5,7 @@ variables:
 
   macos: &macos
     macos:
-      xcode: "9.3.1"
+      xcode: "9.4.1"
     environment:
       CIRCLE_ARTIFACTS: /tmp/circleci/artifacts
 
diff --git a/news.d/feature/1156.osx.rst b/news.d/feature/1156.osx.rst
new file mode 100644
index 000000000..23d265fe9
--- /dev/null
+++ b/news.d/feature/1156.osx.rst
@@ -0,0 +1 @@
+The minimum version supported by the macOS bundle is now 10.13 (High Sierra).