diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 8f111cac971..f7be6e86f76 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -49,9 +49,9 @@
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-runtime</Uri>
       <Sha>3a25a7f1cc446b60678ed25c9d829420d6321eba</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Wpf.DncEng" Version="6.0.0-rtm.22109.4">
+    <Dependency Name="Microsoft.DotNet.Wpf.DncEng" Version="6.0.0-rtm.22104.2">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-wpf-int</Uri>
-      <Sha>a91dc679d9bb06e7d00e7308de518a232702f888</Sha>
+      <Sha>962ab77e3d043ec9377feec32e1b26824338e9db</Sha>
     </Dependency>
     <Dependency Name="System.IO.Packaging" Version="6.0.0" CoherentParentDependency="Microsoft.Private.Winforms">
       <Uri>https://github.com/dotnet/runtime</Uri>
diff --git a/eng/Versions.props b/eng/Versions.props
index a9619476961..91d42100843 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -81,6 +81,6 @@
     <SystemReflectionMetadataLoadContextPackage>System.Reflection.MetadataLoadContext</SystemReflectionMetadataLoadContextPackage>
   </PropertyGroup>
   <PropertyGroup>
-    <MicrosoftDotNetWpfDncEngVersion>6.0.0-rtm.22109.4</MicrosoftDotNetWpfDncEngVersion>
+    <MicrosoftDotNetWpfDncEngVersion>6.0.0-rtm.22104.2</MicrosoftDotNetWpfDncEngVersion>
   </PropertyGroup>
 </Project>