diff --git a/.circleci/config.yml b/.circleci/config.yml
index 29e64f8dc7b9..068462af093c 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -65,12 +65,12 @@ machine-linux-2xlarge: &machine-linux-2xlarge
 
 machine-mac: &machine-mac
   macos:
-    xcode: "10.3.0"
+    xcode: "11.1.0"
 
 machine-mac-large: &machine-mac-large
   resource_class: large
   macos:
-    xcode: "10.3.0"
+    xcode: "11.1.0"
 
 # Build configurations options.
 env-testing-build: &env-testing-build