diff --git a/Down-Example/Down-Example.xcodeproj/project.pbxproj b/Down-Example/Down-Example.xcodeproj/project.pbxproj
index 2b19b3a9..9b21462f 100644
--- a/Down-Example/Down-Example.xcodeproj/project.pbxproj
+++ b/Down-Example/Down-Example.xcodeproj/project.pbxproj
@@ -402,7 +402,7 @@
 				GCC_C_LANGUAGE_STANDARD = gnu11;
 				INFOPLIST_FILE = "macOS Demo/Info.plist";
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks";
-				MACOSX_DEPLOYMENT_TARGET = 10.14;
+				MACOSX_DEPLOYMENT_TARGET = 10.11;
 				MTL_ENABLE_DEBUG_INFO = INCLUDE_SOURCE;
 				MTL_FAST_MATH = YES;
 				PRODUCT_BUNDLE_IDENTIFIER = "com.down.macOS-Demo";
@@ -428,7 +428,7 @@
 				GCC_C_LANGUAGE_STANDARD = gnu11;
 				INFOPLIST_FILE = "macOS Demo/Info.plist";
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks";
-				MACOSX_DEPLOYMENT_TARGET = 10.14;
+				MACOSX_DEPLOYMENT_TARGET = 10.11;
 				MTL_FAST_MATH = YES;
 				PRODUCT_BUNDLE_IDENTIFIER = "com.down.macOS-Demo";
 				PRODUCT_NAME = "$(TARGET_NAME)";