diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 98ed88a308c..cd679c188ed 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -61,9 +61,9 @@
       <Uri>https://github.com/dotnet/runtime</Uri>
       <Sha>f54a4cd54f73731ac6117fe8c98e24c1792401b4</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Wpf.DncEng" Version="6.0.0-preview.6.21303.2">
+    <Dependency Name="Microsoft.DotNet.Wpf.DncEng" Version="6.0.0-preview.6.21304.2">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-wpf-int</Uri>
-      <Sha>38e95dedd25ab20c50f852e8891b835bbf4148ec</Sha>
+      <Sha>0d885130c25967a4b2d216954afcbe1609afbc7d</Sha>
     </Dependency>
     <Dependency Name="System.IO.Packaging" Version="6.0.0-preview.6.21278.2" CoherentParentDependency="Microsoft.Private.Winforms">
       <Uri>https://github.com/dotnet/runtime</Uri>
diff --git a/eng/Versions.props b/eng/Versions.props
index 5b3dd01a1da..3ff45ed01f3 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.6.21303.2</MicrosoftDotNetWpfDncEngVersion>
+    <MicrosoftDotNetWpfDncEngVersion>6.0.0-preview.6.21304.2</MicrosoftDotNetWpfDncEngVersion>
   </PropertyGroup>
 </Project>