diff --git a/.circleci/config.in.yml b/.circleci/config.in.yml
index 1616d277..b516a263 100644
--- a/.circleci/config.in.yml
+++ b/.circleci/config.in.yml
@@ -209,7 +209,7 @@ jobs:
   binary_macos_wheel:
     <<: *binary_common
     macos:
-      xcode: "9.4.1"
+      xcode: "12.0"
     steps:
       - checkout
       - run:
diff --git a/.circleci/config.yml b/.circleci/config.yml
index 956922e6..2f7ee415 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -209,7 +209,7 @@ jobs:
   binary_macos_wheel:
     <<: *binary_common
     macos:
-      xcode: "9.4.1"
+      xcode: "12.0"
     steps:
       - checkout
       - run: