diff --git a/NuGet.config b/NuGet.config
index 7bed952cf15e..7371e9a37303 100644
--- a/NuGet.config
+++ b/NuGet.config
@@ -10,7 +10,7 @@
     <!--  Begin: Package sources from dotnet-aspnetcore -->
     <!--  End: Package sources from dotnet-aspnetcore -->
     <!--  Begin: Package sources from DotNet-msbuild-Trusted -->
-    <add key="darc-pub-DotNet-msbuild-Trusted-762f59c" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-DotNet-msbuild-Trusted-762f59c2/nuget/v3/index.json" />
+    <add key="darc-pub-DotNet-msbuild-Trusted-ed8c6ae" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-DotNet-msbuild-Trusted-ed8c6aec/nuget/v3/index.json" />
     <!--  End: Package sources from DotNet-msbuild-Trusted -->
     <!--  Begin: Package sources from dotnet-roslyn-analyzers -->
     <!--  End: Package sources from dotnet-roslyn-analyzers -->
@@ -18,6 +18,7 @@
     <!--  End: Package sources from dotnet-runtime -->
     <!--  Begin: Package sources from dotnet-templating -->
     <add key="darc-pub-dotnet-templating-b1003b4" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-templating-b1003b44/nuget/v3/index.json" />
+    <add key="darc-pub-dotnet-templating-b1003b4-1" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-templating-b1003b44-1/nuget/v3/index.json" />
     <!--  End: Package sources from dotnet-templating -->
     <!--  Begin: Package sources from dotnet-windowsdesktop -->
     <!--  End: Package sources from dotnet-windowsdesktop -->
diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index f1e3d0c2e327..d57b770eae15 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -73,18 +73,18 @@
       <Sha>763d10a1a251be35337ee736832bfde3f9200672</Sha>
       <SourceBuild RepoName="emsdk" ManagedOnly="true" />
     </Dependency>
-    <Dependency Name="Microsoft.Build" Version="17.12.17">
+    <Dependency Name="Microsoft.Build" Version="17.12.18">
       <Uri>/~https://github.com/dotnet/msbuild</Uri>
-      <Sha>762f59c2ef10fc8e0ae8a0268f45740728cf29b4</Sha>
+      <Sha>ed8c6aec5b774cfdad4e95033910c30aa0d93391</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Build.Localization" Version="17.12.17-preview-24606-01">
+    <Dependency Name="Microsoft.Build.Localization" Version="17.12.18-preview-24610-04">
       <Uri>/~https://github.com/dotnet/msbuild</Uri>
-      <Sha>762f59c2ef10fc8e0ae8a0268f45740728cf29b4</Sha>
+      <Sha>ed8c6aec5b774cfdad4e95033910c30aa0d93391</Sha>
     </Dependency>
     <!-- Intermediate is necessary for source build. -->
-    <Dependency Name="Microsoft.SourceBuild.Intermediate.msbuild" Version="17.12.17-preview-24606-01">
+    <Dependency Name="Microsoft.SourceBuild.Intermediate.msbuild" Version="17.12.18-preview-24610-04">
       <Uri>/~https://github.com/dotnet/msbuild</Uri>
-      <Sha>762f59c2ef10fc8e0ae8a0268f45740728cf29b4</Sha>
+      <Sha>ed8c6aec5b774cfdad4e95033910c30aa0d93391</Sha>
       <SourceBuild RepoName="msbuild" ManagedOnly="true" />
     </Dependency>
     <Dependency Name="Microsoft.FSharp.Compiler" Version="12.9.100-beta.24522.2">
diff --git a/eng/Versions.props b/eng/Versions.props
index f8935b277b0f..84e4510684a9 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -180,8 +180,8 @@
          At usage sites, either we use MicrosoftBuildMinimumVersion, or MicrosoftBuildVersion in source-only modes.
 
          Additionally, set the MinimumVSVersion for the installer UI that's required for targeting NetCurrent -->
-    <MicrosoftBuildVersion>17.12.17</MicrosoftBuildVersion>
-    <MicrosoftBuildLocalizationVersion>17.12.17-preview-24606-01</MicrosoftBuildLocalizationVersion>
+    <MicrosoftBuildVersion>17.12.18</MicrosoftBuildVersion>
+    <MicrosoftBuildLocalizationVersion>17.12.18-preview-24610-04</MicrosoftBuildLocalizationVersion>
     <MicrosoftBuildMinimumVersion Condition="'$(DotNetBuildSourceOnly)' != 'true'">17.11.4</MicrosoftBuildMinimumVersion>
     <MinimumVSVersion>17.12</MinimumVSVersion>
   </PropertyGroup>