diff --git a/.circleci/config.yml b/.circleci/config.yml
index 32f99b26ff..868f3afbcc 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -172,7 +172,7 @@ jobs:
   binary_macos_wheel:
     <<: *binary_common
     macos:
-      xcode: "9.4.1"
+      xcode: "12.0"
     steps:
       - checkout
       - designate_upload_channel
@@ -198,7 +198,7 @@ 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 3830d7f881..1b0d65ee47 100644
--- a/.circleci/config.yml.in
+++ b/.circleci/config.yml.in
@@ -172,7 +172,7 @@ jobs:
   binary_macos_wheel:
     <<: *binary_common
     macos:
-      xcode: "9.4.1"
+      xcode: "12.0"
     steps:
       - checkout
       - designate_upload_channel
@@ -198,7 +198,7 @@ jobs:
   binary_macos_conda:
     <<: *binary_common
     macos:
-      xcode: "9.4.1"
+      xcode: "12.0"
     steps:
       - checkout
       - designate_upload_channel