diff --git a/.ci.yaml b/.ci.yaml
index 2ddc8a1cca69..42f29fe3eb3e 100644
--- a/.ci.yaml
+++ b/.ci.yaml
@@ -90,12 +90,12 @@ platform_properties:
         [
           {"dependency": "ruby", "version": "ruby_3.1-pod_1.13"}
         ]
-      os: Mac-13|Mac-14
+      os: Mac-14
       device_type: none
       cpu: arm64
       $flutter/osx_sdk : >-
         {
-          "sdk_version": "15a240d"
+          "sdk_version": "16a5171c"
         }
   mac_x64:
     properties:
@@ -103,12 +103,12 @@ platform_properties:
         [
           {"dependency": "ruby", "version": "ruby_3.1-pod_1.13"}
         ]
-      os: Mac-13|Mac-14
+      os: Mac-14
       device_type: none
       cpu: x86
       $flutter/osx_sdk : >-
         {
-          "sdk_version": "15a240d"
+          "sdk_version": "16a5171c"
         }
 
 targets: