diff --git a/Directory.Build.props b/Directory.Build.props
index ef0e8c1b44d76d..40c75f103b8be8 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -56,18 +56,22 @@
         - eng/native/configurecompiler.cmake
         - eng/native/build-commons.sh
         - src/native/libs/build-native.sh
-        - src/coreclr/tools/aot/ILCompiler.Compiler/Compiler/DependencyAnalysis/ObjectWriter.cs
+        - src/coreclr/tools/aot/ILCompiler.Compiler/Compiler/ObjectWriter/MachObjectWriter.cs
         - src/coreclr/nativeaot/BuildIntegration/Microsoft.NETCore.Native.Unix.targets
+        - src/mono/mono/tools/offsets-tool/offsets-tool.py
+        - src/mono/msbuild/apple/build/AppleBuild.targets
         - src/installer/pkg/sfx/bundle/shared-framework-distribution-template-x64.xml
         - src/installer/pkg/sfx/bundle/shared-framework-distribution-template-arm64.xml
+        - src/tasks/AotCompilerTask/MonoAOTCompiler.props
+        - src/tasks/AppleAppBuilder/Xcode.cs
         - src/tasks/MobileBuildTasks/Apple/AppleProject.cs
         - dotnet/installer repo > src/redist/targets/GeneratePKG.targets
      -->
     <AndroidApiLevelMin>21</AndroidApiLevelMin>
-    <iOSVersionMin>11.0</iOSVersionMin>
-    <tvOSVersionMin>11.0</tvOSVersionMin>
-    <macOSVersionMin>10.15</macOSVersionMin>
-    <macOSVersionMin Condition="('$(TargetOS)' == 'osx' or '$(TargetOS)' == 'maccatalyst') and '$(TargetArchitecture)' == 'arm64'">11.0</macOSVersionMin>
+    <iOSVersionMin>12.2</iOSVersionMin>
+    <tvOSVersionMin>12.2</tvOSVersionMin>
+    <macOSVersionMin>12.0</macOSVersionMin>
+    <MacCatalystVersionMin>15.0</MacCatalystVersionMin>
   </PropertyGroup>
 
   <PropertyGroup>
diff --git a/eng/native/build-commons.sh b/eng/native/build-commons.sh
index 0916abb396fa46..2cf33442a93253 100755
--- a/eng/native/build-commons.sh
+++ b/eng/native/build-commons.sh
@@ -109,7 +109,7 @@ build_native()
 
         # set default iOS simulator deployment target
         # keep in sync with SetOSTargetMinVersions in the root Directory.Build.props
-        cmakeArgs="-DCMAKE_SYSTEM_NAME=iOS -DCMAKE_OSX_SYSROOT=iphonesimulator -DCMAKE_OSX_DEPLOYMENT_TARGET=11.0 $cmakeArgs"
+        cmakeArgs="-DCMAKE_SYSTEM_NAME=iOS -DCMAKE_OSX_SYSROOT=iphonesimulator -DCMAKE_OSX_DEPLOYMENT_TARGET=12.2 $cmakeArgs"
         if [[ "$__TargetArch" == x64 ]]; then
             cmakeArgs="-DCMAKE_OSX_ARCHITECTURES=\"x86_64\" $cmakeArgs"
         elif [[ "$__TargetArch" == arm64 ]]; then
@@ -123,7 +123,7 @@ build_native()
 
         # set default iOS device deployment target
         # keep in sync with SetOSTargetMinVersions in the root Directory.Build.props
-        cmakeArgs="-DCMAKE_SYSTEM_NAME=iOS -DCMAKE_OSX_SYSROOT=iphoneos -DCMAKE_OSX_DEPLOYMENT_TARGET=11.0 $cmakeArgs"
+        cmakeArgs="-DCMAKE_SYSTEM_NAME=iOS -DCMAKE_OSX_SYSROOT=iphoneos -DCMAKE_OSX_DEPLOYMENT_TARGET=12.2 $cmakeArgs"
         if [[ "$__TargetArch" == arm64 ]]; then
             cmakeArgs="-DCMAKE_OSX_ARCHITECTURES=\"arm64\" $cmakeArgs"
         else
@@ -135,7 +135,7 @@ build_native()
 
         # set default tvOS simulator deployment target
         # keep in sync with SetOSTargetMinVersions in the root Directory.Build.props
-        cmakeArgs="-DCMAKE_SYSTEM_NAME=tvOS -DCMAKE_OSX_SYSROOT=appletvsimulator -DCMAKE_OSX_DEPLOYMENT_TARGET=11.0 $cmakeArgs"
+        cmakeArgs="-DCMAKE_SYSTEM_NAME=tvOS -DCMAKE_OSX_SYSROOT=appletvsimulator -DCMAKE_OSX_DEPLOYMENT_TARGET=12.2 $cmakeArgs"
         if [[ "$__TargetArch" == x64 ]]; then
             cmakeArgs="-DCMAKE_OSX_ARCHITECTURES=\"x86_64\" $cmakeArgs"
         elif [[ "$__TargetArch" == arm64 ]]; then
@@ -149,7 +149,7 @@ build_native()
 
         # set default tvOS device deployment target
         # keep in sync with SetOSTargetMinVersions in the root Directory.Build.props
-        cmakeArgs="-DCMAKE_SYSTEM_NAME=tvOS -DCMAKE_OSX_SYSROOT=appletvos -DCMAKE_OSX_DEPLOYMENT_TARGET=11.0 $cmakeArgs"
+        cmakeArgs="-DCMAKE_SYSTEM_NAME=tvOS -DCMAKE_OSX_SYSROOT=appletvos -DCMAKE_OSX_DEPLOYMENT_TARGET=12.2 $cmakeArgs"
         if [[ "$__TargetArch" == arm64 ]]; then
             cmakeArgs="-DCMAKE_OSX_ARCHITECTURES=\"arm64\" $cmakeArgs"
         else
diff --git a/eng/native/configurecompiler.cmake b/eng/native/configurecompiler.cmake
index bdf370fdf966b6..4675a8b07cb6b4 100644
--- a/eng/native/configurecompiler.cmake
+++ b/eng/native/configurecompiler.cmake
@@ -14,6 +14,7 @@ set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
 include(CheckCCompilerFlag)
 include(CheckCXXCompilerFlag)
+include(CheckLinkerFlag)
 
 # "configureoptimization.cmake" must be included after CLR_CMAKE_HOST_UNIX has been set.
 include(${CMAKE_CURRENT_LIST_DIR}/configureoptimization.cmake)
@@ -300,7 +301,13 @@ elseif(CLR_CMAKE_HOST_SUNOS)
   add_definitions(-D__EXTENSIONS__ -D_XPG4_2 -D_POSIX_PTHREAD_SEMANTICS)
 elseif(CLR_CMAKE_HOST_OSX AND NOT CLR_CMAKE_HOST_MACCATALYST AND NOT CLR_CMAKE_HOST_IOS AND NOT CLR_CMAKE_HOST_TVOS)
   add_definitions(-D_XOPEN_SOURCE)
-  add_linker_flag("-Wl,-bind_at_load")
+
+  # the new linker in Xcode 15 (ld_new/ld_prime) deprecated the -bind_at_load flag for macOS which causes a warning
+  # that fails the build since we build with -Werror. Only pass the flag if we need it, i.e. older linkers.
+  check_linker_flag(C "-Wl,-bind_at_load,-fatal_warnings" LINKER_SUPPORTS_BIND_AT_LOAD_FLAG)
+  if(LINKER_SUPPORTS_BIND_AT_LOAD_FLAG)
+    add_linker_flag("-Wl,-bind_at_load")
+  endif()
 elseif(CLR_CMAKE_HOST_HAIKU)
   add_compile_options($<$<COMPILE_LANGUAGE:ASM>:-Wa,--noexecstack>)
   add_linker_flag("-Wl,--no-undefined")
@@ -662,11 +669,11 @@ if (CLR_CMAKE_HOST_UNIX)
     set(DISABLE_OVERRIDING_MIN_VERSION_ERROR -Wno-overriding-t-option)
     add_link_options(-Wno-overriding-t-option)
     if(CLR_CMAKE_HOST_ARCH_ARM64)
-      set(MACOS_VERSION_MIN_FLAGS "-target arm64-apple-ios14.2-macabi")
-      add_link_options(-target arm64-apple-ios14.2-macabi)
+      set(MACOS_VERSION_MIN_FLAGS "-target arm64-apple-ios15.0-macabi")
+      add_link_options(-target arm64-apple-ios15.0-macabi)
     elseif(CLR_CMAKE_HOST_ARCH_AMD64)
-      set(MACOS_VERSION_MIN_FLAGS "-target x86_64-apple-ios13.5-macabi")
-      add_link_options(-target x86_64-apple-ios13.5-macabi)
+      set(MACOS_VERSION_MIN_FLAGS "-target x86_64-apple-ios15.0-macabi")
+      add_link_options(-target x86_64-apple-ios15.0-macabi)
     else()
       clr_unknown_arch()
     endif()
@@ -679,11 +686,10 @@ if (CLR_CMAKE_HOST_UNIX)
     set(CMAKE_OBJC_FLAGS "${CMAKE_OBJC_FLAGS} ${MACOS_VERSION_MIN_FLAGS} ${DISABLE_OVERRIDING_MIN_VERSION_ERROR}")
     set(CMAKE_OBJCXX_FLAGS "${CMAKE_OBJCXX_FLAGS} ${MACOS_VERSION_MIN_FLAGS} ${DISABLE_OVERRIDING_MIN_VERSION_ERROR}")
   elseif(CLR_CMAKE_HOST_OSX)
+    set(CMAKE_OSX_DEPLOYMENT_TARGET "12.0")
     if(CLR_CMAKE_HOST_ARCH_ARM64)
-      set(CMAKE_OSX_DEPLOYMENT_TARGET "11.0")
       add_compile_options(-arch arm64)
     elseif(CLR_CMAKE_HOST_ARCH_AMD64)
-      set(CMAKE_OSX_DEPLOYMENT_TARGET "10.15")
       add_compile_options(-arch x86_64)
     else()
       clr_unknown_arch()
diff --git a/src/coreclr/nativeaot/BuildIntegration/Microsoft.NETCore.Native.Unix.targets b/src/coreclr/nativeaot/BuildIntegration/Microsoft.NETCore.Native.Unix.targets
index c9314487b0507d..7441f7da0f6249 100644
--- a/src/coreclr/nativeaot/BuildIntegration/Microsoft.NETCore.Native.Unix.targets
+++ b/src/coreclr/nativeaot/BuildIntegration/Microsoft.NETCore.Native.Unix.targets
@@ -74,9 +74,8 @@ The .NET Foundation licenses this file to you under the MIT license.
     </PropertyGroup>
 
     <PropertyGroup Condition="'$(_IsiOSLikePlatform)' == 'true'">
-      <AppleMinOSVersion Condition="'$(AppleMinOSVersion)' == '' and '$(_targetOS)' == 'maccatalyst' and '$(_targetArchitecture)' == 'x64'">13.5</AppleMinOSVersion>
-      <AppleMinOSVersion Condition="'$(AppleMinOSVersion)' == '' and '$(_targetOS)' == 'maccatalyst'">14.2</AppleMinOSVersion>
-      <AppleMinOSVersion Condition="'$(AppleMinOSVersion)' == '' and ($(_targetOS.StartsWith('ios')) or $(_targetOS.StartsWith('tvos')))">11.0</AppleMinOSVersion>
+      <AppleMinOSVersion Condition="'$(AppleMinOSVersion)' == '' and '$(_targetOS)' == 'maccatalyst'">15.0</AppleMinOSVersion>
+      <AppleMinOSVersion Condition="'$(AppleMinOSVersion)' == '' and ($(_targetOS.StartsWith('ios')) or $(_targetOS.StartsWith('tvos')))">12.2</AppleMinOSVersion>
 
       <_AppleSdkName Condition="'$(_targetOS)' == 'ios'">iphoneos</_AppleSdkName>
       <_AppleSdkName Condition="'$(_targetOS)' == 'iossimulator'">iphonesimulator</_AppleSdkName>
@@ -96,7 +95,7 @@ The .NET Foundation licenses this file to you under the MIT license.
     </PropertyGroup>
 
     <PropertyGroup Condition="'$(_targetOS)' == 'osx'">
-      <AppleMinOSVersion Condition="'$(AppleMinOSVersion)' == ''">11.0</AppleMinOSVersion>
+      <AppleMinOSVersion Condition="'$(AppleMinOSVersion)' == ''">12.0</AppleMinOSVersion>
       <TargetTriple Condition="'$(_targetArchitecture)' == 'x64'">x86_64-apple-macos$(AppleMinOSVersion)</TargetTriple>
       <TargetTriple Condition="'$(_targetArchitecture)' == 'arm64'">arm64-apple-macos$(AppleMinOSVersion)</TargetTriple>
     </PropertyGroup>
diff --git a/src/coreclr/tools/aot/ILCompiler.Compiler/Compiler/ObjectWriter/MachObjectWriter.cs b/src/coreclr/tools/aot/ILCompiler.Compiler/Compiler/ObjectWriter/MachObjectWriter.cs
index 86ac433262f990..e65f7c889dd19a 100644
--- a/src/coreclr/tools/aot/ILCompiler.Compiler/Compiler/ObjectWriter/MachObjectWriter.cs
+++ b/src/coreclr/tools/aot/ILCompiler.Compiler/Compiler/ObjectWriter/MachObjectWriter.cs
@@ -244,16 +244,12 @@ private protected override void EmitObjectFile(string objectFilePath)
             {
                 case TargetOS.OSX:
                     buildVersion.Platform = PLATFORM_MACOS;
-                    buildVersion.MinimumPlatformVersion = 0x0A_0C_00; // 10.12.0
+                    buildVersion.MinimumPlatformVersion = 0x0C_00_00; // 12.0.0
                     break;
 
                 case TargetOS.MacCatalyst:
                     buildVersion.Platform = PLATFORM_MACCATALYST;
-                    buildVersion.MinimumPlatformVersion = _cpuType switch
-                    {
-                        CPU_TYPE_X86_64 => 0x0D_05_00u, // 13.5.0
-                        _ => 0x0E_02_00u, // 14.2.0
-                    };
+                    buildVersion.MinimumPlatformVersion = 0x0F_02_00; // 15.0.0
                     break;
 
                 case TargetOS.iOS:
@@ -268,7 +264,7 @@ private protected override void EmitObjectFile(string objectFilePath)
                         TargetOS.tvOSSimulator => PLATFORM_TVOSSIMULATOR,
                         _ => 0,
                     };
-                    buildVersion.MinimumPlatformVersion = 0x0B_00_00; // 11.0.0
+                    buildVersion.MinimumPlatformVersion = 0x0C_02_00; // 12.2.0
                     break;
             }
             buildVersion.Write(outputFileStream);
diff --git a/src/installer/pkg/sfx/bundle/shared-framework-distribution-template-arm64.xml b/src/installer/pkg/sfx/bundle/shared-framework-distribution-template-arm64.xml
index 1b0dca06e4095d..2d501b30731695 100644
--- a/src/installer/pkg/sfx/bundle/shared-framework-distribution-template-arm64.xml
+++ b/src/installer/pkg/sfx/bundle/shared-framework-distribution-template-arm64.xml
@@ -7,7 +7,7 @@
     <volume-check>
         <allowed-os-versions>
             <!-- keep in sync with SetOSTargetMinVersions in the root Directory.Build.props -->
-            <os-version min="11.0" />
+            <os-version min="12.0" />
         </allowed-os-versions>
     </volume-check>
 </installer-gui-script>
diff --git a/src/installer/pkg/sfx/bundle/shared-framework-distribution-template-x64.xml b/src/installer/pkg/sfx/bundle/shared-framework-distribution-template-x64.xml
index 419795e0f348fe..538f475d5d5836 100644
--- a/src/installer/pkg/sfx/bundle/shared-framework-distribution-template-x64.xml
+++ b/src/installer/pkg/sfx/bundle/shared-framework-distribution-template-x64.xml
@@ -7,7 +7,7 @@
     <volume-check>
         <allowed-os-versions>
             <!-- keep in sync with SetOSTargetMinVersions in the root Directory.Build.props -->
-            <os-version min="10.15" />
+            <os-version min="12.0" />
         </allowed-os-versions>
     </volume-check>
 </installer-gui-script>
diff --git a/src/libraries/System.Runtime.InteropServices/tests/TestAssets/NativeExports/NativeExports.csproj b/src/libraries/System.Runtime.InteropServices/tests/TestAssets/NativeExports/NativeExports.csproj
index 3daf1f99fe8b06..ad5bd11ee41cc2 100644
--- a/src/libraries/System.Runtime.InteropServices/tests/TestAssets/NativeExports/NativeExports.csproj
+++ b/src/libraries/System.Runtime.InteropServices/tests/TestAssets/NativeExports/NativeExports.csproj
@@ -91,12 +91,12 @@
 
   <Target Name="GetAppleBuildArgumentsForDNNE" Condition="'$(_TargetsAppleOS)' == 'true'">
     <PropertyGroup Condition=" '$(TargetOS)' == 'maccatalyst'">
-      <TargetTriple Condition="'$(TargetArchitecture)' == 'arm64'">arm64-apple-ios14.2-macabi</TargetTriple>
-      <TargetTriple Condition="'$(TargetArchitecture)' == 'x64'">x86_64-apple-ios13.5-macabi</TargetTriple>
+      <TargetTriple Condition="'$(TargetArchitecture)' == 'arm64'">arm64-apple-ios$(MacCatalystVersionMin)-macabi</TargetTriple>
+      <TargetTriple Condition="'$(TargetArchitecture)' == 'x64'">x86_64-apple-ios$(MacCatalystVersionMin)-macabi</TargetTriple>
     </PropertyGroup>
     <PropertyGroup Condition="'$(TargetOS)' == 'osx'">
-      <TargetTriple Condition="'$(TargetArchitecture)' == 'arm64'">arm64-apple-macos11</TargetTriple>
-      <TargetTriple Condition="'$(TargetArchitecture)' == 'x64'">x86_64-apple-macos10.15</TargetTriple>
+      <TargetTriple Condition="'$(TargetArchitecture)' == 'arm64'">arm64-apple-macos$(macOSVersionMin)</TargetTriple>
+      <TargetTriple Condition="'$(TargetArchitecture)' == 'x64'">x86_64-apple-macos$(macOSVersionMin)</TargetTriple>
       <XCodeSdkName>macosx</XCodeSdkName>
     </PropertyGroup>
 
diff --git a/src/libraries/System.Security.Cryptography/src/System/Security/Cryptography/AesGcm.macOS.cs b/src/libraries/System.Security.Cryptography/src/System/Security/Cryptography/AesGcm.macOS.cs
index 3b528f496f4d91..d9f036f61ca5d7 100644
--- a/src/libraries/System.Security.Cryptography/src/System/Security/Cryptography/AesGcm.macOS.cs
+++ b/src/libraries/System.Security.Cryptography/src/System/Security/Cryptography/AesGcm.macOS.cs
@@ -11,7 +11,7 @@ public sealed partial class AesGcm
     {
         private FixedMemoryKeyBox _keyBox;
 
-        // CryptoKit added AES.GCM in macOS 10.15, which is our minimum target for macOS.
+        // CryptoKit added AES.GCM in macOS 10.15, which is lower than our minimum target for macOS.
         public static bool IsSupported => true;
 
         // CryptoKit only supports 16 byte tags.
diff --git a/src/libraries/System.Security.Cryptography/src/System/Security/Cryptography/ChaCha20Poly1305.macOS.cs b/src/libraries/System.Security.Cryptography/src/System/Security/Cryptography/ChaCha20Poly1305.macOS.cs
index aa2cba5f234ba7..7e45061f971a6e 100644
--- a/src/libraries/System.Security.Cryptography/src/System/Security/Cryptography/ChaCha20Poly1305.macOS.cs
+++ b/src/libraries/System.Security.Cryptography/src/System/Security/Cryptography/ChaCha20Poly1305.macOS.cs
@@ -8,7 +8,7 @@ namespace System.Security.Cryptography
 {
     public sealed partial class ChaCha20Poly1305
     {
-        // CryptoKit added ChaCha20Poly1305 in macOS 10.15, which is our minimum target for macOS.
+        // CryptoKit added ChaCha20Poly1305 in macOS 10.15, which is lower than our minimum target for macOS.
         public static bool IsSupported => true;
         private FixedMemoryKeyBox _keyBox;
 
diff --git a/src/libraries/System.Security.Cryptography/tests/ChaCha20Poly1305Tests.cs b/src/libraries/System.Security.Cryptography/tests/ChaCha20Poly1305Tests.cs
index ced6edcf350951..00ae5286b25a92 100644
--- a/src/libraries/System.Security.Cryptography/tests/ChaCha20Poly1305Tests.cs
+++ b/src/libraries/System.Security.Cryptography/tests/ChaCha20Poly1305Tests.cs
@@ -475,7 +475,7 @@ public static void CheckIsSupported()
             }
             else if (PlatformDetection.IsOSX)
             {
-                // CryptoKit is supported on macOS 10.15+, which is our minimum target.
+                // CryptoKit is supported on macOS 10.15+, which is lower than our minimum target.
                 expectedIsSupported = true;
             }
             else if (PlatformDetection.OpenSslPresentOnSystem && PlatformDetection.IsOpenSslSupported)
diff --git a/src/mono/mono.proj b/src/mono/mono.proj
index 8b57badb1a2e38..47eeb0937a88fa 100644
--- a/src/mono/mono.proj
+++ b/src/mono/mono.proj
@@ -401,11 +401,11 @@
       <_MonoCMakeArgs Include="-DCMAKE_SYSTEM_VARIANT=maccatalyst" />
       <!-- https://gitlab.kitware.com/cmake/cmake/-/issues/20132 -->
       <_MonoCPPFLAGS Include="-Wno-overriding-t-option" />
-      <_MonoCFlags Condition="'$(TargetArchitecture)' == 'arm64'" Include="-target arm64-apple-ios14.2-macabi" />
-      <_MonoCFlags Condition="'$(TargetArchitecture)' == 'x64'" Include="-target x86_64-apple-ios13.5-macabi" />
+      <_MonoCFlags Condition="'$(TargetArchitecture)' == 'arm64'" Include="-target arm64-apple-ios$(MacCatalystVersionMin)-macabi" />
+      <_MonoCFlags Condition="'$(TargetArchitecture)' == 'x64'" Include="-target x86_64-apple-ios$(MacCatalystVersionMin)-macabi" />
       <_MonoCFLAGS Condition="'$(TargetArchitecture)' == 'arm64'" Include="-arch arm64" />
-      <_MonoCXXFlags Condition="'$(TargetArchitecture)' == 'arm64'" Include="-target arm64-apple-ios14.2-macabi" />
-      <_MonoCXXFlags Condition="'$(TargetArchitecture)' == 'x64'" Include="-target x86_64-apple-ios13.5-macabi" />
+      <_MonoCXXFlags Condition="'$(TargetArchitecture)' == 'arm64'" Include="-target arm64-apple-ios$(MacCatalystVersionMin)-macabi" />
+      <_MonoCXXFlags Condition="'$(TargetArchitecture)' == 'x64'" Include="-target x86_64-apple-ios$(MacCatalystVersionMin)-macabi" />
       <_MonoCXXFLAGS Condition="'$(TargetArchitecture)' == 'arm64'" Include="-arch arm64" />
       <!-- Force running as arm64 even when invoked from an x64 msbuild process -->
       <_MonoBuildEnv Condition="'$(BuildArchitecture)' == 'arm64'" Include="arch -arch arm64" />
diff --git a/src/mono/mono/tools/offsets-tool/offsets-tool.py b/src/mono/mono/tools/offsets-tool/offsets-tool.py
index ad450989afed50..058d27373d28dc 100644
--- a/src/mono/mono/tools/offsets-tool/offsets-tool.py
+++ b/src/mono/mono/tools/offsets-tool/offsets-tool.py
@@ -159,13 +159,13 @@ def require_emscipten_path (args):
 		elif "x86_64-apple-maccatalyst" == args.abi:
 			require_sysroot (args)
 			self.target = Target ("TARGET_AMD64", "TARGET_MACCAT", IOS_DEFINES)
-			self.target_args += ["-target", "x86_64-apple-ios13.5-macabi"]
+			self.target_args += ["-target", "x86_64-apple-ios15.0-macabi"]
 			self.target_args += ["-isysroot", args.sysroot]
 
 		elif "aarch64-apple-maccatalyst" == args.abi:
 			require_sysroot (args)
 			self.target = Target ("TARGET_ARM64", "TARGET_MACCAT", IOS_DEFINES)
-			self.target_args += ["-target", "arm64-apple-ios14.2-macabi"]
+			self.target_args += ["-target", "arm64-apple-ios15.0-macabi"]
 			self.target_args += ["-isysroot", args.sysroot]
 
 		# watchOS
diff --git a/src/mono/msbuild/apple/build/AppleBuild.targets b/src/mono/msbuild/apple/build/AppleBuild.targets
index 914351a5cee4da..35d0f16c35b4b8 100644
--- a/src/mono/msbuild/apple/build/AppleBuild.targets
+++ b/src/mono/msbuild/apple/build/AppleBuild.targets
@@ -159,9 +159,9 @@
 
     <ItemGroup>
       <MonoAOTCompilerDefaultAotArguments Condition="'$(TargetArchitecture)' == 'arm64' and '$(TargetOS)' != 'maccatalyst'" Include="mtriple=arm64-ios" />
-      <MonoAOTCompilerDefaultAotArguments Condition="'$(TargetArchitecture)' == 'arm64' and '$(TargetOS)' == 'maccatalyst'" Include="mtriple=arm64-apple-ios14.2-macabi" />
+      <MonoAOTCompilerDefaultAotArguments Condition="'$(TargetArchitecture)' == 'arm64' and '$(TargetOS)' == 'maccatalyst'" Include="mtriple=arm64-apple-ios15.0-macabi" />
       <MonoAOTCompilerDefaultAotArguments Condition="'$(TargetArchitecture)' == 'x64' and '$(TargetOS)' != 'maccatalyst'" Include="mtriple=x86_64-ios" />
-      <MonoAOTCompilerDefaultAotArguments Condition="'$(TargetArchitecture)' == 'x64' and '$(TargetOS)' == 'maccatalyst'" Include="mtriple=x86_64-apple-ios13.5-macabi" />
+      <MonoAOTCompilerDefaultAotArguments Condition="'$(TargetArchitecture)' == 'x64' and '$(TargetOS)' == 'maccatalyst'" Include="mtriple=x86_64-apple-ios15.0-macabi" />
       <MonoAOTCompilerDefaultAotArguments Include="static" />
       <MonoAOTCompilerDefaultAotArguments Include="dwarfdebug" />
       <MonoAOTCompilerDefaultAotArguments Condition="'$(TargetArchitecture)' == 'arm64'" Include="mattr=+crc" /> <!-- enable System.Runtime.Intrinsics.Arm (Crc32 and ArmBase for now) -->
diff --git a/src/native/libs/System.Security.Cryptography.Native.Apple/pal_signverify.c b/src/native/libs/System.Security.Cryptography.Native.Apple/pal_signverify.c
index 6e7c77e9d7d070..37f61c7b1215ad 100644
--- a/src/native/libs/System.Security.Cryptography.Native.Apple/pal_signverify.c
+++ b/src/native/libs/System.Security.Cryptography.Native.Apple/pal_signverify.c
@@ -16,7 +16,10 @@ static int32_t ExecuteSignTransform(SecTransformRef signer, CFDataRef* pSignatur
     assert(pErrorOut != NULL);
 
     int32_t ret = INT_MIN;
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wdeprecated-declarations"
     CFTypeRef signerResponse = SecTransformExecute(signer, pErrorOut);
+#pragma clang diagnostic pop
     CFDataRef signature = NULL;
 
     if (signerResponse == NULL || *pErrorOut != NULL)
@@ -62,7 +65,10 @@ static int32_t ExecuteVerifyTransform(SecTransformRef verifier, CFErrorRef* pErr
     assert(pErrorOut != NULL);
 
     int32_t ret = kErrorSeeError;
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wdeprecated-declarations"
     CFTypeRef verifierResponse = SecTransformExecute(verifier, pErrorOut);
+#pragma clang diagnostic pop
 
     if (verifierResponse != NULL)
     {
@@ -79,6 +85,8 @@ static int32_t ExecuteVerifyTransform(SecTransformRef verifier, CFErrorRef* pErr
 
 static int32_t ConfigureSignVerifyTransform(SecTransformRef xform, CFDataRef cfDataHash, CFErrorRef* pErrorOut)
 {
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wdeprecated-declarations"
     if (!SecTransformSetAttribute(xform, kSecInputIsAttributeName, kSecInputIsDigest, pErrorOut))
     {
         return 0;
@@ -88,6 +96,7 @@ static int32_t ConfigureSignVerifyTransform(SecTransformRef xform, CFDataRef cfD
     {
         return 0;
     }
+#pragma clang diagnostic pop
 
     return 1;
 }
diff --git a/src/native/libs/System.Security.Cryptography.Native.Apple/pal_ssl.c b/src/native/libs/System.Security.Cryptography.Native.Apple/pal_ssl.c
index d37f08ed14e2ec..9b44cbbef8e093 100644
--- a/src/native/libs/System.Security.Cryptography.Native.Apple/pal_ssl.c
+++ b/src/native/libs/System.Security.Cryptography.Native.Apple/pal_ssl.c
@@ -463,7 +463,11 @@ int32_t AppleCryptoNative_SslIsHostnameMatch(SSLContextRef sslContext, CFStringR
 
     for (CFIndex i = 0; i < certificateCount; i++)
     {
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wdeprecated-declarations"
         SecCertificateRef item = SecTrustGetCertificateAtIndex(existingTrust, i);
+#pragma clang diagnostic pop
+
         CFArrayAppendValue(certs, item);
 
         // Copy the EE cert into the anchors set, this will make the chain part
diff --git a/src/native/libs/System.Security.Cryptography.Native.Apple/pal_x509.c b/src/native/libs/System.Security.Cryptography.Native.Apple/pal_x509.c
index 94e22f28c8794a..39b8e4619912b3 100644
--- a/src/native/libs/System.Security.Cryptography.Native.Apple/pal_x509.c
+++ b/src/native/libs/System.Security.Cryptography.Native.Apple/pal_x509.c
@@ -43,16 +43,7 @@ AppleCryptoNative_X509GetPublicKey(SecCertificateRef cert, SecKeyRef* pPublicKey
     if (cert == NULL || pPublicKeyOut == NULL)
         return kErrorUnknownState;
 
-    if (__builtin_available(macOS 10.14, iOS 12, tvOS 12, *))
-    {
-        *pPublicKeyOut = SecCertificateCopyKey(cert);
-    }
-#if defined(TARGET_IOS) || defined(TARGET_TVOS)
-    else
-    {
-        *pPublicKeyOut = SecCertificateCopyPublicKey(cert);
-    }
-#endif
+    *pPublicKeyOut = SecCertificateCopyKey(cert);
 
     return 1;
 }
diff --git a/src/native/libs/System.Security.Cryptography.Native.Apple/pal_x509chain.c b/src/native/libs/System.Security.Cryptography.Native.Apple/pal_x509chain.c
index 152ed890ed6eda..de1a84f26798d4 100644
--- a/src/native/libs/System.Security.Cryptography.Native.Apple/pal_x509chain.c
+++ b/src/native/libs/System.Security.Cryptography.Native.Apple/pal_x509chain.c
@@ -92,7 +92,10 @@ SecCertificateRef AppleCryptoNative_X509ChainGetCertificateAtIndex(SecTrustRef c
     if (chain == NULL || index < 0)
         return NULL;
 
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wdeprecated-declarations"
     return SecTrustGetCertificateAtIndex(chain, index);
+#pragma clang diagnostic pop
 }
 
 CFArrayRef AppleCryptoNative_X509ChainGetTrustResults(SecTrustRef chain)
diff --git a/src/native/libs/build-native.sh b/src/native/libs/build-native.sh
index 3e90b3805aaec9..d3fefa7685a974 100755
--- a/src/native/libs/build-native.sh
+++ b/src/native/libs/build-native.sh
@@ -105,7 +105,7 @@ elif [[ "$__TargetOS" == linux-bionic && -z "$ROOTFS_DIR" ]]; then
 elif [[ "$__TargetOS" == iossimulator ]]; then
     # set default iOS simulator deployment target
     # keep in sync with SetOSTargetMinVersions in the root Directory.Build.props
-    __CMakeArgs="-DCMAKE_SYSTEM_NAME=iOS -DCMAKE_OSX_SYSROOT=iphonesimulator -DCMAKE_OSX_DEPLOYMENT_TARGET=11.0 $__CMakeArgs"
+    __CMakeArgs="-DCMAKE_SYSTEM_NAME=iOS -DCMAKE_OSX_SYSROOT=iphonesimulator -DCMAKE_OSX_DEPLOYMENT_TARGET=12.2 $__CMakeArgs"
     if [[ "$__TargetArch" == x64 ]]; then
         __CMakeArgs="-DCMAKE_OSX_ARCHITECTURES=\"x86_64\" $__CMakeArgs"
     elif [[ "$__TargetArch" == x86 ]]; then
@@ -119,7 +119,7 @@ elif [[ "$__TargetOS" == iossimulator ]]; then
 elif [[ "$__TargetOS" == ios ]]; then
     # set default iOS device deployment target
     # keep in sync with SetOSTargetMinVersions in the root Directory.Build.props
-    __CMakeArgs="-DCMAKE_SYSTEM_NAME=iOS -DCMAKE_OSX_SYSROOT=iphoneos -DCMAKE_OSX_DEPLOYMENT_TARGET=11.0 $__CMakeArgs"
+    __CMakeArgs="-DCMAKE_SYSTEM_NAME=iOS -DCMAKE_OSX_SYSROOT=iphoneos -DCMAKE_OSX_DEPLOYMENT_TARGET=12.2 $__CMakeArgs"
     if [[ "$__TargetArch" == arm64 ]]; then
         __CMakeArgs="-DCMAKE_OSX_ARCHITECTURES=\"arm64\" $__CMakeArgs"
     elif [[ "$__TargetArch" == arm ]]; then
@@ -131,7 +131,7 @@ elif [[ "$__TargetOS" == ios ]]; then
 elif [[ "$__TargetOS" == tvossimulator ]]; then
     # set default tvOS simulator deployment target
     # keep in sync with SetOSTargetMinVersions in the root Directory.Build.props
-    __CMakeArgs="-DCMAKE_SYSTEM_NAME=tvOS -DCMAKE_OSX_SYSROOT=appletvsimulator -DCMAKE_OSX_DEPLOYMENT_TARGET=11.0 $__CMakeArgs"
+    __CMakeArgs="-DCMAKE_SYSTEM_NAME=tvOS -DCMAKE_OSX_SYSROOT=appletvsimulator -DCMAKE_OSX_DEPLOYMENT_TARGET=12.2 $__CMakeArgs"
     if [[ "$__TargetArch" == x64 ]]; then
         __CMakeArgs="-DCMAKE_OSX_ARCHITECTURES=\"x86_64\" $__CMakeArgs"
     elif [[ "$__TargetArch" == arm64 ]]; then
@@ -143,7 +143,7 @@ elif [[ "$__TargetOS" == tvossimulator ]]; then
 elif [[ "$__TargetOS" == tvos ]]; then
     # set default tvOS device deployment target
     # keep in sync with the root Directory.Build.props
-    __CMakeArgs="-DCMAKE_SYSTEM_NAME=tvOS -DCMAKE_OSX_SYSROOT=appletvos -DCMAKE_OSX_DEPLOYMENT_TARGET=11.0 $__CMakeArgs"
+    __CMakeArgs="-DCMAKE_SYSTEM_NAME=tvOS -DCMAKE_OSX_SYSROOT=appletvos -DCMAKE_OSX_DEPLOYMENT_TARGET=12.2 $__CMakeArgs"
     if [[ "$__TargetArch" == arm64 ]]; then
         __CMakeArgs="-DCMAKE_OSX_ARCHITECTURES=\"arm64\" $__CMakeArgs"
     else
diff --git a/src/tasks/AotCompilerTask/MonoAOTCompiler.props b/src/tasks/AotCompilerTask/MonoAOTCompiler.props
index 1c7bc065d2a475..1fc8e8f41adf50 100644
--- a/src/tasks/AotCompilerTask/MonoAOTCompiler.props
+++ b/src/tasks/AotCompilerTask/MonoAOTCompiler.props
@@ -1,9 +1,9 @@
 <Project>
   <ItemGroup Condition="'$(TargetOS)' == 'ios' or '$(TargetOS)' == 'iossimulator' or '$(TargetOS)' == 'tvos' or '$(TargetOS)' == 'tvossimulator' or '$(TargetOS)' == 'maccatalyst'">
     <MonoAOTCompilerDefaultAotArguments Condition="'$(TargetArchitecture)' == 'arm64' and '$(TargetOS)' != 'maccatalyst'" Include="mtriple=arm64-ios" />
-    <MonoAOTCompilerDefaultAotArguments Condition="'$(TargetArchitecture)' == 'arm64' and '$(TargetOS)' == 'maccatalyst'" Include="mtriple=arm64-apple-ios14.2-macabi" />
+    <MonoAOTCompilerDefaultAotArguments Condition="'$(TargetArchitecture)' == 'arm64' and '$(TargetOS)' == 'maccatalyst'" Include="mtriple=arm64-apple-ios15.0-macabi" />
     <MonoAOTCompilerDefaultAotArguments Condition="'$(TargetArchitecture)' == 'x64' and '$(TargetOS)' != 'maccatalyst'" Include="mtriple=x86_64-ios" />
-    <MonoAOTCompilerDefaultAotArguments Condition="'$(TargetArchitecture)' == 'x64' and '$(TargetOS)' == 'maccatalyst'" Include="mtriple=x86_64-apple-ios13.5-macabi" />
+    <MonoAOTCompilerDefaultAotArguments Condition="'$(TargetArchitecture)' == 'x64' and '$(TargetOS)' == 'maccatalyst'" Include="mtriple=x86_64-apple-ios15.0-macabi" />
     <MonoAOTCompilerDefaultAotArguments Include="static" />
     <MonoAOTCompilerDefaultAotArguments Include="dwarfdebug" />
     <MonoAOTCompilerDefaultAotArguments Condition="'$(TargetArchitecture)' == 'arm64'" Include="mattr=+crc" /> <!-- enable System.Runtime.Intrinsics.Arm (Crc32 and ArmBase for now) -->
diff --git a/src/tasks/AppleAppBuilder/Xcode.cs b/src/tasks/AppleAppBuilder/Xcode.cs
index a9bf648f8129a3..aed4bf7dfaeba3 100644
--- a/src/tasks/AppleAppBuilder/Xcode.cs
+++ b/src/tasks/AppleAppBuilder/Xcode.cs
@@ -218,15 +218,24 @@ public void CreateXcodeProject(string projectName, string cmakeDirectoryPath)
                 targetName = Target.ToString();
                 break;
         }
-        var deployTarget = (Target == TargetNames.MacCatalyst) ? " -DCMAKE_OSX_ARCHITECTURES=" + XcodeArch : " -DCMAKE_OSX_DEPLOYMENT_TARGET=11.0";
         var cmakeArgs = new StringBuilder();
         cmakeArgs
             .Append("-S.")
             .Append(" -B").Append(projectName)
             .Append(" -GXcode")
             .Append(" -DTARGETS_APPLE_MOBILE=1")
-            .Append(" -DCMAKE_SYSTEM_NAME=").Append(targetName)
-            .Append(deployTarget);
+            .Append(" -DCMAKE_SYSTEM_NAME=").Append(targetName);
+
+        if (Target == TargetNames.MacCatalyst)
+        {
+            // min deploy target version is passed later when invoking xcodebuild
+            cmakeArgs.Append(" -DCMAKE_OSX_ARCHITECTURES=" + XcodeArch);
+        }
+        else
+        {
+            // arch is passed later when invoking xcodebuild
+            cmakeArgs.Append(" -DCMAKE_OSX_DEPLOYMENT_TARGET=12.2");
+        }
 
         Utils.RunProcess(Logger, "cmake", cmakeArgs.ToString(), workingDir: cmakeDirectoryPath);
     }
@@ -608,7 +617,7 @@ public string BuildAppBundle(
                         .Append(" -UseModernBuildSystem=YES")
                         .Append(" -archivePath \"").Append(Path.GetDirectoryName(xcodePrjPath)).Append('"')
                         .Append(" -derivedDataPath \"").Append(Path.GetDirectoryName(xcodePrjPath)).Append('"')
-                        .Append(" IPHONEOS_DEPLOYMENT_TARGET=14.2");
+                        .Append(" IPHONEOS_DEPLOYMENT_TARGET=15.0");
                     break;
             }
         }
@@ -633,7 +642,7 @@ public string BuildAppBundle(
                         .Append(" -UseModernBuildSystem=YES")
                         .Append(" -archivePath \"").Append(Path.GetDirectoryName(xcodePrjPath)).Append('"')
                         .Append(" -derivedDataPath \"").Append(Path.GetDirectoryName(xcodePrjPath)).Append('"')
-                        .Append(" IPHONEOS_DEPLOYMENT_TARGET=13.5");
+                        .Append(" IPHONEOS_DEPLOYMENT_TARGET=15.0");
                     break;
             }
         }
diff --git a/src/tasks/MobileBuildTasks/Apple/AppleProject.cs b/src/tasks/MobileBuildTasks/Apple/AppleProject.cs
index f7927fa2bb5a81..6a0f61c1968c41 100644
--- a/src/tasks/MobileBuildTasks/Apple/AppleProject.cs
+++ b/src/tasks/MobileBuildTasks/Apple/AppleProject.cs
@@ -27,7 +27,7 @@ public AppleProject(string projectName, string runtimeIdentifier, TaskLoggingHel
         {
             GetTargets(runtimeIdentifier, out targetOS, out targetArchitecture);
 
-            defaultMinOSVersion = (targetOS == "maccatalyst") ? "13.1" : "11.0";
+            defaultMinOSVersion = (targetOS == "maccatalyst") ? "15.0" : "12.2";
             targetAbi = DetermineAbi(targetArchitecture);
 
             AppleSdk sdk = new AppleSdk(targetOS, logger);