diff --git a/CocoaHTTPServer/CocoaHTTPServer.xcodeproj/project.pbxproj b/CocoaHTTPServer/CocoaHTTPServer.xcodeproj/project.pbxproj
index 3422ba3e..5483bb90 100644
--- a/CocoaHTTPServer/CocoaHTTPServer.xcodeproj/project.pbxproj
+++ b/CocoaHTTPServer/CocoaHTTPServer.xcodeproj/project.pbxproj
@@ -380,7 +380,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.13;
+				MACOSX_DEPLOYMENT_TARGET = 14.0;
 				MTL_ENABLE_DEBUG_INFO = INCLUDE_SOURCE;
 				MTL_FAST_MATH = YES;
 				ONLY_ACTIVE_ARCH = YES;
@@ -435,7 +435,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.13;
+				MACOSX_DEPLOYMENT_TARGET = 14.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				MTL_FAST_MATH = YES;
 				SDKROOT = macosx;