diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 73da9240c78..87b4daed96e 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -61,9 +61,9 @@
       <Uri>https://github.com/dotnet/runtime</Uri>
       <Sha>96a4671bc52e70024da409f5f48b0abaa30cb901</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Wpf.DncEng" Version="6.0.0-preview.7.21319.2">
+    <Dependency Name="Microsoft.DotNet.Wpf.DncEng" Version="6.0.0-preview.7.21320.2">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-wpf-int</Uri>
-      <Sha>9391ec0aced5d648bca8d4d0db43365fde4ca6f8</Sha>
+      <Sha>17dffef78650578bbb2e581dcd9dc45c4242a202</Sha>
     </Dependency>
     <Dependency Name="System.IO.Packaging" Version="6.0.0-preview.7.21317.1" CoherentParentDependency="Microsoft.Private.Winforms">
       <Uri>https://github.com/dotnet/runtime</Uri>
diff --git a/eng/Versions.props b/eng/Versions.props
index 953da801731..29b556bebc5 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -84,6 +84,6 @@
     <SystemReflectionMetadataLoadContextPackage>System.Reflection.MetadataLoadContext</SystemReflectionMetadataLoadContextPackage>
   </PropertyGroup>
   <PropertyGroup>
-    <MicrosoftDotNetWpfDncEngVersion>6.0.0-preview.7.21319.2</MicrosoftDotNetWpfDncEngVersion>
+    <MicrosoftDotNetWpfDncEngVersion>6.0.0-preview.7.21320.2</MicrosoftDotNetWpfDncEngVersion>
   </PropertyGroup>
 </Project>