diff --git a/FlipClockSaver.xcodeproj/project.pbxproj b/FlipClockSaver.xcodeproj/project.pbxproj
index c511d77..c983ded 100644
--- a/FlipClockSaver.xcodeproj/project.pbxproj
+++ b/FlipClockSaver.xcodeproj/project.pbxproj
@@ -191,7 +191,7 @@
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
 				LOCALIZATION_PREFERS_STRING_CATALOGS = YES;
-				MACOSX_DEPLOYMENT_TARGET = 12.0;
+				MACOSX_DEPLOYMENT_TARGET = 14.0;
 				MTL_ENABLE_DEBUG_INFO = INCLUDE_SOURCE;
 				MTL_FAST_MATH = YES;
 				ONLY_ACTIVE_ARCH = YES;
@@ -247,7 +247,7 @@
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
 				LOCALIZATION_PREFERS_STRING_CATALOGS = YES;
-				MACOSX_DEPLOYMENT_TARGET = 12.0;
+				MACOSX_DEPLOYMENT_TARGET = 14.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				MTL_FAST_MATH = YES;
 				SDKROOT = macosx;
@@ -266,7 +266,7 @@
 				INFOPLIST_KEY_NSHumanReadableCopyright = "";
 				INFOPLIST_KEY_NSPrincipalClass = FlipClockSaverView;
 				INSTALL_PATH = "$(HOME)/Library/Screen Savers";
-				MACOSX_DEPLOYMENT_TARGET = 12.0;
+				MACOSX_DEPLOYMENT_TARGET = 14.0;
 				MARKETING_VERSION = 1.0;
 				PRODUCT_BUNDLE_IDENTIFIER = com.liucheng.FlipClockSaver;
 				PRODUCT_NAME = "$(TARGET_NAME)";
@@ -291,7 +291,7 @@
 				INFOPLIST_KEY_NSHumanReadableCopyright = "";
 				INFOPLIST_KEY_NSPrincipalClass = FlipClockSaverView;
 				INSTALL_PATH = "$(HOME)/Library/Screen Savers";
-				MACOSX_DEPLOYMENT_TARGET = 12.0;
+				MACOSX_DEPLOYMENT_TARGET = 14.0;
 				MARKETING_VERSION = 1.0;
 				PRODUCT_BUNDLE_IDENTIFIER = com.liucheng.FlipClockSaver;
 				PRODUCT_NAME = "$(TARGET_NAME)";