diff --git a/packages/pigeon/platform_tests/test_plugin/example/macos/Podfile b/packages/pigeon/platform_tests/test_plugin/example/macos/Podfile
index 71619503cdb0..358b97d070ff 100644
--- a/packages/pigeon/platform_tests/test_plugin/example/macos/Podfile
+++ b/packages/pigeon/platform_tests/test_plugin/example/macos/Podfile
@@ -1,4 +1,4 @@
-platform :osx, '10.14'
+platform :osx, '10.15'
 
 # CocoaPods analytics sends network stats synchronously affecting flutter build latency.
 ENV['COCOAPODS_DISABLE_STATS'] = 'true'
diff --git a/packages/pigeon/platform_tests/test_plugin/example/macos/Runner.xcodeproj/project.pbxproj b/packages/pigeon/platform_tests/test_plugin/example/macos/Runner.xcodeproj/project.pbxproj
index 420e42dafe0b..d333c8740efe 100644
--- a/packages/pigeon/platform_tests/test_plugin/example/macos/Runner.xcodeproj/project.pbxproj
+++ b/packages/pigeon/platform_tests/test_plugin/example/macos/Runner.xcodeproj/project.pbxproj
@@ -508,7 +508,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.14;
+				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = macosx;
 				SWIFT_COMPILATION_MODE = wholemodule;
@@ -632,7 +632,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.14;
+				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = macosx;
@@ -679,7 +679,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.14;
+				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = macosx;
 				SWIFT_COMPILATION_MODE = wholemodule;
diff --git a/packages/pigeon/platform_tests/test_plugin/macos/test_plugin.podspec b/packages/pigeon/platform_tests/test_plugin/macos/test_plugin.podspec
index 77a7e3bbfbd6..b317e8ea2a0e 100644
--- a/packages/pigeon/platform_tests/test_plugin/macos/test_plugin.podspec
+++ b/packages/pigeon/platform_tests/test_plugin/macos/test_plugin.podspec
@@ -17,7 +17,7 @@ Pod::Spec.new do |s|
   s.source_files     = 'Classes/**/*'
   s.dependency 'FlutterMacOS'
 
-  s.platform = :osx, '10.14'
+  s.platform = :osx, '10.15'
   s.pod_target_xcconfig = { 'DEFINES_MODULE' => 'YES' }
   s.swift_version = '5.0'
 end