diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 217420becd5..3d6a2744f11 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -65,9 +65,9 @@
       <Uri>https://github.com/dotnet/runtime</Uri>
       <Sha>90f97ac50154ee23449f273c3a8d13dfe985815b</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Wpf.DncEng" Version="6.0.0-preview.5.21224.2">
+    <Dependency Name="Microsoft.DotNet.Wpf.DncEng" Version="6.0.0-preview.5.21229.2">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-wpf-int</Uri>
-      <Sha>c32c38e8fbeead712af9bf46b628994f1bd03e65</Sha>
+      <Sha>5361643b5d95d0d0eda1b679f9dd2147e159f52e</Sha>
     </Dependency>
     <Dependency Name="System.IO.Packaging" Version="6.0.0-preview.5.21224.4" CoherentParentDependency="Microsoft.Private.Winforms">
       <Uri>https://github.com/dotnet/runtime</Uri>
diff --git a/eng/Versions.props b/eng/Versions.props
index 95b38bddb6d..2a5ed861056 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -89,6 +89,6 @@
     <SystemReflectionMetadataLoadContextPackage>System.Reflection.MetadataLoadContext</SystemReflectionMetadataLoadContextPackage>
   </PropertyGroup>
   <PropertyGroup>
-    <MicrosoftDotNetWpfDncEngVersion>6.0.0-preview.5.21224.2</MicrosoftDotNetWpfDncEngVersion>
+    <MicrosoftDotNetWpfDncEngVersion>6.0.0-preview.5.21229.2</MicrosoftDotNetWpfDncEngVersion>
   </PropertyGroup>
 </Project>