diff --git a/.circleci/config.yml b/.circleci/config.yml
index b2c61d69f6..953cd8b9be 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -174,7 +174,7 @@ jobs:
   binary_macos_wheel:
     <<: *binary_common
     macos:
-      xcode: "9.4.1"
+      xcode: "12.0"
     steps:
       - checkout
       - designate_upload_channel
@@ -200,7 +200,7 @@ 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 3c997d777c..f97eff89fc 100644
--- a/.circleci/config.yml.in
+++ b/.circleci/config.yml.in
@@ -174,7 +174,7 @@ jobs:
   binary_macos_wheel:
     <<: *binary_common
     macos:
-      xcode: "9.4.1"
+      xcode: "12.0"
     steps:
       - checkout
       - designate_upload_channel
@@ -200,7 +200,7 @@ jobs:
   binary_macos_conda:
     <<: *binary_common
     macos:
-      xcode: "9.4.1"
+      xcode: "12.0"
     steps:
       - checkout
       - designate_upload_channel