diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 75a304cdb01..da20e76defc 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -65,9 +65,9 @@
       <Uri>https://github.com/dotnet/runtime</Uri>
       <Sha>95201492e7665c7f21faf42e9d544396ff714497</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Wpf.DncEng" Version="6.0.0-preview.4.21203.2">
+    <Dependency Name="Microsoft.DotNet.Wpf.DncEng" Version="6.0.0-preview.4.21206.2">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-wpf-int</Uri>
-      <Sha>72ce477cf0a0bf91346925037829255bc2a082c9</Sha>
+      <Sha>a94c47188d741a06d14fb0302124ef2b2538b8f6</Sha>
     </Dependency>
     <Dependency Name="System.IO.Packaging" Version="6.0.0-preview.4.21205.1" CoherentParentDependency="Microsoft.Private.Winforms">
       <Uri>https://github.com/dotnet/runtime</Uri>
diff --git a/eng/Versions.props b/eng/Versions.props
index 8b6f7f0db6e..330ae39eb59 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.4.21203.2</MicrosoftDotNetWpfDncEngVersion>
+    <MicrosoftDotNetWpfDncEngVersion>6.0.0-preview.4.21206.2</MicrosoftDotNetWpfDncEngVersion>
   </PropertyGroup>
 </Project>