diff --git a/.circleci/config.yml b/.circleci/config.yml
index d492a41ba1..568ab14dbd 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -167,7 +167,7 @@ jobs:
   binary_macos_wheel:
     <<: *binary_common
     macos:
-      xcode: "9.4.1"
+      xcode: "12.0"
     steps:
       - checkout
       - designate_upload_channel
@@ -193,7 +193,7 @@ jobs:
   binary_macos_conda:
     <<: *binary_common
     macos:
-      xcode: "9.4.1"
+      xcode: "12.0"
     steps:
       - checkout
       - designate_upload_channel
diff --git a/.circleci/config.yml.in b/.circleci/config.yml.in
index 697862ccab..9f537f6bcd 100644
--- a/.circleci/config.yml.in
+++ b/.circleci/config.yml.in
@@ -167,7 +167,7 @@ jobs:
   binary_macos_wheel:
     <<: *binary_common
     macos:
-      xcode: "9.4.1"
+      xcode: "12.0"
     steps:
       - checkout
       - designate_upload_channel
@@ -193,7 +193,7 @@ jobs:
   binary_macos_conda:
     <<: *binary_common
     macos:
-      xcode: "9.4.1"
+      xcode: "12.0"
     steps:
       - checkout
       - designate_upload_channel