diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 9573ad56757..a38cee2a63e 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -61,9 +61,9 @@
       <Uri>https://github.com/dotnet/runtime</Uri>
       <Sha>d52f925042937397bef2db312d11ae0c2ed76c7f</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Wpf.DncEng" Version="6.0.0-preview.6.21309.1">
+    <Dependency Name="Microsoft.DotNet.Wpf.DncEng" Version="6.0.0-preview.6.21309.4">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-wpf-int</Uri>
-      <Sha>0aa29b51fb30d04a683a35d35931e3b27b5acf6d</Sha>
+      <Sha>bf9af52981655bfd77baa626b69d037247b86efd</Sha>
     </Dependency>
     <Dependency Name="System.IO.Packaging" Version="6.0.0-preview.6.21308.1" CoherentParentDependency="Microsoft.Private.Winforms">
       <Uri>https://github.com/dotnet/runtime</Uri>
diff --git a/eng/Versions.props b/eng/Versions.props
index e5f8256aeeb..c00d98b9526 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.6.21309.1</MicrosoftDotNetWpfDncEngVersion>
+    <MicrosoftDotNetWpfDncEngVersion>6.0.0-preview.6.21309.4</MicrosoftDotNetWpfDncEngVersion>
   </PropertyGroup>
 </Project>