diff --git a/NuGet.config b/NuGet.config
index 4a661d1017611..0c7e2962cba26 100644
--- a/NuGet.config
+++ b/NuGet.config
@@ -9,10 +9,6 @@
     <clear />
     <!--Begin: Package sources managed by Dependency Flow automation. Do not edit the sources below.-->
     <!--  Begin: Package sources from dotnet-emsdk -->
-    <add key="darc-pub-dotnet-emsdk-51bf18a" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-emsdk-51bf18a2/nuget/v3/index.json" />
-    <add key="darc-pub-dotnet-emsdk-51bf18a-3" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-emsdk-51bf18a2-3/nuget/v3/index.json" />
-    <add key="darc-pub-dotnet-emsdk-51bf18a-2" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-emsdk-51bf18a2-2/nuget/v3/index.json" />
-    <add key="darc-pub-dotnet-emsdk-51bf18a-1" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-emsdk-51bf18a2-1/nuget/v3/index.json" />
     <add key="darc-pub-dotnet-emsdk-2406616" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-emsdk-2406616d/nuget/v3/index.json" />
     <add key="darc-pub-dotnet-emsdk-2406616-2" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-emsdk-2406616d-2/nuget/v3/index.json" />
     <add key="darc-pub-dotnet-emsdk-2406616-1" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-emsdk-2406616d-1/nuget/v3/index.json" />
diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index e0dafd57c184e..2352181aa0037 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -338,21 +338,21 @@
       <Uri>https://github.com/dotnet/arcade</Uri>
       <Sha>080141bf0f9f15408bb6eb8e301b23bddf81d054</Sha>
     </Dependency>
-    <Dependency Name="optimization.windows_nt-x64.MIBC.Runtime" Version="1.0.0-prerelease.23525.5">
+    <Dependency Name="optimization.windows_nt-x64.MIBC.Runtime" Version="1.0.0-prerelease.23561.3">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-optimization</Uri>
-      <Sha>d80a861521d84459c9290c31127b2a0ce511f279</Sha>
+      <Sha>c68e08c656a1e9b058fe22cc0546dbbd245c85fb</Sha>
     </Dependency>
-    <Dependency Name="optimization.windows_nt-x86.MIBC.Runtime" Version="1.0.0-prerelease.23525.5">
+    <Dependency Name="optimization.windows_nt-x86.MIBC.Runtime" Version="1.0.0-prerelease.23561.3">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-optimization</Uri>
-      <Sha>d80a861521d84459c9290c31127b2a0ce511f279</Sha>
+      <Sha>c68e08c656a1e9b058fe22cc0546dbbd245c85fb</Sha>
     </Dependency>
-    <Dependency Name="optimization.linux-x64.MIBC.Runtime" Version="1.0.0-prerelease.23525.5">
+    <Dependency Name="optimization.linux-x64.MIBC.Runtime" Version="1.0.0-prerelease.23561.3">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-optimization</Uri>
-      <Sha>d80a861521d84459c9290c31127b2a0ce511f279</Sha>
+      <Sha>c68e08c656a1e9b058fe22cc0546dbbd245c85fb</Sha>
     </Dependency>
-    <Dependency Name="optimization.PGO.CoreCLR" Version="1.0.0-prerelease.23525.5">
+    <Dependency Name="optimization.PGO.CoreCLR" Version="1.0.0-prerelease.23561.3">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-optimization</Uri>
-      <Sha>d80a861521d84459c9290c31127b2a0ce511f279</Sha>
+      <Sha>c68e08c656a1e9b058fe22cc0546dbbd245c85fb</Sha>
     </Dependency>
     <Dependency Name="Microsoft.DotNet.HotReload.Utils.Generator.BuildTool" Version="8.0.0-alpha.0.23523.2">
       <Uri>https://github.com/dotnet/hotreload-utils</Uri>
@@ -388,13 +388,13 @@
       <Sha>7e33fd449381b337c290a801057fdcd68c4b7220</Sha>
       <SourceBuild RepoName="sdk" ManagedOnly="true" />
     </Dependency>
-    <Dependency Name="optimization.windows_nt-arm64.MIBC.Runtime" Version="1.0.0-prerelease.23525.5">
+    <Dependency Name="optimization.windows_nt-arm64.MIBC.Runtime" Version="1.0.0-prerelease.23561.3">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-optimization</Uri>
-      <Sha>d80a861521d84459c9290c31127b2a0ce511f279</Sha>
+      <Sha>c68e08c656a1e9b058fe22cc0546dbbd245c85fb</Sha>
     </Dependency>
-    <Dependency Name="optimization.linux-arm64.MIBC.Runtime" Version="1.0.0-prerelease.23525.5">
+    <Dependency Name="optimization.linux-arm64.MIBC.Runtime" Version="1.0.0-prerelease.23561.3">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-optimization</Uri>
-      <Sha>d80a861521d84459c9290c31127b2a0ce511f279</Sha>
+      <Sha>c68e08c656a1e9b058fe22cc0546dbbd245c85fb</Sha>
     </Dependency>
     <!-- Necessary for source-build. This allows the package to be retrieved from previously-source-built artifacts
          and flow in as dependencies of the packages produced by runtime. -->
diff --git a/eng/Versions.props b/eng/Versions.props
index 6cdad19d086c4..39cd16e0073b2 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -158,12 +158,12 @@
     <SystemWindowsExtensionsTestDataVersion>8.0.0-beta.23558.5</SystemWindowsExtensionsTestDataVersion>
     <MicrosoftDotNetCilStripSourcesVersion>8.0.0-beta.23558.5</MicrosoftDotNetCilStripSourcesVersion>
     <!-- dotnet-optimization dependencies -->
-    <optimizationwindows_ntx64MIBCRuntimeVersion>1.0.0-prerelease.23525.5</optimizationwindows_ntx64MIBCRuntimeVersion>
-    <optimizationwindows_ntx86MIBCRuntimeVersion>1.0.0-prerelease.23525.5</optimizationwindows_ntx86MIBCRuntimeVersion>
-    <optimizationwindows_ntarm64MIBCRuntimeVersion>1.0.0-prerelease.23525.5</optimizationwindows_ntarm64MIBCRuntimeVersion>
-    <optimizationlinuxx64MIBCRuntimeVersion>1.0.0-prerelease.23525.5</optimizationlinuxx64MIBCRuntimeVersion>
-    <optimizationlinuxarm64MIBCRuntimeVersion>1.0.0-prerelease.23525.5</optimizationlinuxarm64MIBCRuntimeVersion>
-    <optimizationPGOCoreCLRVersion>1.0.0-prerelease.23525.5</optimizationPGOCoreCLRVersion>
+    <optimizationwindows_ntx64MIBCRuntimeVersion>1.0.0-prerelease.23561.3</optimizationwindows_ntx64MIBCRuntimeVersion>
+    <optimizationwindows_ntx86MIBCRuntimeVersion>1.0.0-prerelease.23561.3</optimizationwindows_ntx86MIBCRuntimeVersion>
+    <optimizationwindows_ntarm64MIBCRuntimeVersion>1.0.0-prerelease.23561.3</optimizationwindows_ntarm64MIBCRuntimeVersion>
+    <optimizationlinuxx64MIBCRuntimeVersion>1.0.0-prerelease.23561.3</optimizationlinuxx64MIBCRuntimeVersion>
+    <optimizationlinuxarm64MIBCRuntimeVersion>1.0.0-prerelease.23561.3</optimizationlinuxarm64MIBCRuntimeVersion>
+    <optimizationPGOCoreCLRVersion>1.0.0-prerelease.23561.3</optimizationPGOCoreCLRVersion>
     <!-- Not auto-updated. -->
     <MicrosoftDiaSymReaderNativeVersion>16.11.29-beta1.23404.4</MicrosoftDiaSymReaderNativeVersion>
     <SystemCommandLineVersion>2.0.0-beta4.23307.1</SystemCommandLineVersion>