--- a/ExternalDependencies.xcodeproj/project.pbxproj
+++ b/ExternalDependencies.xcodeproj/project.pbxproj
@@ -5882,7 +5882,7 @@
 				GCC_WARN_UNUSED_VARIABLE = NO;
 				IPHONEOS_DEPLOYMENT_TARGET = 11.0;
 				MACH_O_TYPE = staticlib;
-				MACOSX_DEPLOYMENT_TARGET = 10.13;
+				MACOSX_DEPLOYMENT_TARGET = 10.12;
 				SKIP_INSTALL = YES;
 				TVOS_DEPLOYMENT_TARGET = 11.0;
 			};
@@ -5932,7 +5932,7 @@
 				GCC_WARN_UNUSED_VARIABLE = NO;
 				IPHONEOS_DEPLOYMENT_TARGET = 11.0;
 				MACH_O_TYPE = staticlib;
-				MACOSX_DEPLOYMENT_TARGET = 10.13;
+				MACOSX_DEPLOYMENT_TARGET = 10.12;
 				SKIP_INSTALL = YES;
 				TVOS_DEPLOYMENT_TARGET = 11.0;
 				VALIDATE_PRODUCT = YES;
--- a/MoltenVK/MoltenVK.xcodeproj/project.pbxproj
+++ b/MoltenVK/MoltenVK.xcodeproj/project.pbxproj
@@ -1618,7 +1618,7 @@
 				);
 				IPHONEOS_DEPLOYMENT_TARGET = 11.0;
 				MACH_O_TYPE = staticlib;
-				MACOSX_DEPLOYMENT_TARGET = 10.13;
+				MACOSX_DEPLOYMENT_TARGET = 10.12;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				MVK_SKIP_DYLIB = "";
 				"MVK_SKIP_DYLIB[sdk=appletvsimulator*]" = YES;
@@ -1689,7 +1689,7 @@
 				);
 				IPHONEOS_DEPLOYMENT_TARGET = 11.0;
 				MACH_O_TYPE = staticlib;
-				MACOSX_DEPLOYMENT_TARGET = 10.13;
+				MACOSX_DEPLOYMENT_TARGET = 10.12;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				MVK_SKIP_DYLIB = "";
 				"MVK_SKIP_DYLIB[sdk=appletvsimulator*]" = YES;
--- a/MoltenVKShaderConverter/MoltenVKShaderConverter.xcodeproj/project.pbxproj
+++ b/MoltenVKShaderConverter/MoltenVKShaderConverter.xcodeproj/project.pbxproj
@@ -638,7 +638,7 @@
 				);
 				IPHONEOS_DEPLOYMENT_TARGET = 11.0;
 				MACH_O_TYPE = staticlib;
-				MACOSX_DEPLOYMENT_TARGET = 10.13;
+				MACOSX_DEPLOYMENT_TARGET = 10.12;
 				PRODUCT_NAME = MoltenVKShaderConverter;
 				SKIP_INSTALL = YES;
 				TVOS_DEPLOYMENT_TARGET = 11.0;
@@ -698,7 +698,7 @@
 				);
 				IPHONEOS_DEPLOYMENT_TARGET = 11.0;
 				MACH_O_TYPE = staticlib;
-				MACOSX_DEPLOYMENT_TARGET = 10.13;
+				MACOSX_DEPLOYMENT_TARGET = 10.12;
 				PRODUCT_NAME = MoltenVKShaderConverter;
 				SKIP_INSTALL = YES;
 				TVOS_DEPLOYMENT_TARGET = 11.0;