diff --git a/NuGet.config b/NuGet.config
index 8d1e18b667ef..fcf21b10afc3 100644
--- a/NuGet.config
+++ b/NuGet.config
@@ -12,7 +12,6 @@
     <!--  End: Package sources from dotnet-windowsdesktop -->
     <!--  Begin: Package sources from dotnet-emsdk -->
     <add key="darc-pub-dotnet-emsdk-3f6c45a" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-emsdk-3f6c45a2/nuget/v3/index.json" />
-    <add key="darc-pub-dotnet-emsdk-3f6c45a-2" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-emsdk-3f6c45a2-2/nuget/v3/index.json" />
     <add key="darc-pub-dotnet-emsdk-3f6c45a-1" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-emsdk-3f6c45a2-1/nuget/v3/index.json" />
     <!--  End: Package sources from dotnet-emsdk -->
     <!--End: Package sources managed by Dependency Flow automation. Do not edit the sources above.-->
diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 15074e24fdf4..5296b26c1316 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -12,21 +12,21 @@
       <Uri>https://github.com/xamarin/xamarin-android</Uri>
       <Sha>d6224ca6b1032ffebc8fe2b496f93a511b0674a6</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.MacCatalyst.Sdk" Version="15.4.455">
+    <Dependency Name="Microsoft.MacCatalyst.Sdk" Version="15.4.454">
       <Uri>https://github.com/xamarin/xamarin-macios</Uri>
-      <Sha>9ed77490baef852ec98513d2b791884b0242715e</Sha>
+      <Sha>4bd34d034c8c5a4e092c8bd3c8868153d94277b4</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.iOS.Sdk" Version="15.4.455">
+    <Dependency Name="Microsoft.iOS.Sdk" Version="15.4.454">
       <Uri>https://github.com/xamarin/xamarin-macios</Uri>
-      <Sha>9ed77490baef852ec98513d2b791884b0242715e</Sha>
+      <Sha>4bd34d034c8c5a4e092c8bd3c8868153d94277b4</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.tvOS.Sdk" Version="15.4.455">
+    <Dependency Name="Microsoft.tvOS.Sdk" Version="15.4.454">
       <Uri>https://github.com/xamarin/xamarin-macios</Uri>
-      <Sha>9ed77490baef852ec98513d2b791884b0242715e</Sha>
+      <Sha>4bd34d034c8c5a4e092c8bd3c8868153d94277b4</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.macOS.Sdk" Version="12.3.455">
+    <Dependency Name="Microsoft.macOS.Sdk" Version="12.3.454">
       <Uri>https://github.com/xamarin/xamarin-macios</Uri>
-      <Sha>9ed77490baef852ec98513d2b791884b0242715e</Sha>
+      <Sha>4bd34d034c8c5a4e092c8bd3c8868153d94277b4</Sha>
     </Dependency>
     <Dependency Name="Microsoft.NET.Workload.Emscripten.Manifest-6.0.300" Version="6.0.9" CoherentParentDependency="Microsoft.NETCore.App.Ref">
       <Uri>https://github.com/dotnet/emsdk</Uri>
diff --git a/eng/Versions.props b/eng/Versions.props
index 2e7e7d21a2cf..a0f9e4c4da5e 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -11,10 +11,10 @@
     <!-- xamarin/xamarin-android -->
     <MicrosoftAndroidSdkWindowsPackageVersion>32.0.465</MicrosoftAndroidSdkWindowsPackageVersion>
     <!-- xamarin/xamarin-macios -->
-    <MicrosoftiOSSdkPackageVersion>15.4.455</MicrosoftiOSSdkPackageVersion>
-    <MicrosoftMacCatalystSdkPackageVersion>15.4.455</MicrosoftMacCatalystSdkPackageVersion>
-    <MicrosoftmacOSSdkPackageVersion>12.3.455</MicrosoftmacOSSdkPackageVersion>
-    <MicrosofttvOSSdkPackageVersion>15.4.455</MicrosofttvOSSdkPackageVersion>
+    <MicrosoftiOSSdkPackageVersion>15.4.454</MicrosoftiOSSdkPackageVersion>
+    <MicrosoftMacCatalystSdkPackageVersion>15.4.454</MicrosoftMacCatalystSdkPackageVersion>
+    <MicrosoftmacOSSdkPackageVersion>12.3.454</MicrosoftmacOSSdkPackageVersion>
+    <MicrosofttvOSSdkPackageVersion>15.4.454</MicrosofttvOSSdkPackageVersion>
     <!-- Samsung/Tizen.NET -->
     <SamsungTizenSdkPackageVersion>7.0.400-preview.1.0</SamsungTizenSdkPackageVersion>
     <!-- emsdk -->