diff --git a/.ci.yaml b/.ci.yaml
index 2d0db05cd45..c2eff748599 100644
--- a/.ci.yaml
+++ b/.ci.yaml
@@ -24,24 +24,24 @@ platform_properties:
     properties:
       dependencies: >-
         [
-          {"dependency": "xcode", "version": "14c18"},
+          {"dependency": "xcode", "version": "14e222b"},
           {"dependency": "gems", "version": "v3.3.14"}
         ]
       os: Mac-12
       device_type: none
       cpu: arm64
-      xcode: 14c18
+      xcode: 14e222b
   mac_x64:
     properties:
       dependencies: >-
         [
-          {"dependency": "xcode", "version": "14c18"},
+          {"dependency": "xcode", "version": "14e222b"},
           {"dependency": "gems", "version": "v3.3.14"}
         ]
       os: Mac-12
       device_type: none
       cpu: x86
-      xcode: 14c18
+      xcode: 14e222b
 
 targets:
   ### iOS+macOS tasks ***
diff --git a/.ci/scripts/create_simulator.sh b/.ci/scripts/create_simulator.sh
index a12bbee0af0..41f6a1146db 100755
--- a/.ci/scripts/create_simulator.sh
+++ b/.ci/scripts/create_simulator.sh
@@ -6,7 +6,7 @@
 # The name here must match remove_simulator.sh
 readonly DEVICE_NAME=Flutter-iPhone
 readonly DEVICE=com.apple.CoreSimulator.SimDeviceType.iPhone-14
-readonly OS=com.apple.CoreSimulator.SimRuntime.iOS-16-2
+readonly OS=com.apple.CoreSimulator.SimRuntime.iOS-16-4
 
 xcrun simctl list
 xcrun simctl create "$DEVICE_NAME" "$DEVICE" "$OS" | xargs xcrun simctl boot
diff --git a/script/tool/lib/src/podspec_check_command.dart b/script/tool/lib/src/podspec_check_command.dart
index 4cda7210a8e..dda08eee32b 100644
--- a/script/tool/lib/src/podspec_check_command.dart
+++ b/script/tool/lib/src/podspec_check_command.dart
@@ -141,6 +141,9 @@ class PodspecCheckCommand extends PackageLoopingCommand {
       podspecPath,
       '--configuration=Debug', // Release targets unsupported arm64 simulators. Use Debug to only build against targeted x86_64 simulator devices.
       '--skip-tests',
+      // TODO(vashworth): remove allow-warnings when https://github.com/flutter/flutter/issues/125812 is fixed.
+      // https://github.com/flutter/flutter/issues/125812
+      '--allow-warnings',
       '--use-modular-headers', // Flutter sets use_modular_headers! in its templates.
       if (libraryLint) '--use-libraries'
     ];
diff --git a/script/tool/test/podspec_check_command_test.dart b/script/tool/test/podspec_check_command_test.dart
index a1244a2337b..a5815428273 100644
--- a/script/tool/test/podspec_check_command_test.dart
+++ b/script/tool/test/podspec_check_command_test.dart
@@ -143,6 +143,7 @@ void main() {
                     .path,
                 '--configuration=Debug',
                 '--skip-tests',
+                '--allow-warnings',
                 '--use-modular-headers',
                 '--use-libraries'
               ],
@@ -158,6 +159,7 @@ void main() {
                     .path,
                 '--configuration=Debug',
                 '--skip-tests',
+                '--allow-warnings',
                 '--use-modular-headers',
               ],
               packagesDir.path),