diff --git a/eng/SourceBuildPrebuiltBaseline.xml b/eng/SourceBuildPrebuiltBaseline.xml
index 5e86a6ecc7..87fa35f9be 100644
--- a/eng/SourceBuildPrebuiltBaseline.xml
+++ b/eng/SourceBuildPrebuiltBaseline.xml
@@ -6,6 +6,9 @@
     <!-- TODO: Ignore needed until https://github.com/dotnet/source-build/issues/3188 is addressed. -->
     <UsagePattern IdentityGlob="Microsoft.NETCore.App.Ref/*" />
 
+    <!-- Lifted to live version in VMR. -->
+    <UsagePattern IdentityGlob="System.Formats.Asn1/8.0.*" />
+
     <UsagePattern IdentityGlob="Microsoft.SourceBuild.Intermediate.*/*" />
   </IgnorePatterns>
 </UsageData>
diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 62f546ae12..e2e5ded6be 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -27,5 +27,9 @@
       <Sha>73f0850939d96131c28cf6ea6ee5aacb4da0083a</Sha>
       <SourceBuild RepoName="xliff-tasks" ManagedOnly="true" />
     </Dependency>
+    <Dependency Name="System.Formats.Asn1" Version="8.0.1" >
+      <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-runtime</Uri>
+      <Sha>2aade6beb02ea367fd97c4070a4198802fe61c03</Sha>
+    </Dependency>
   </ToolsetDependencies>
 </Dependencies>
diff --git a/eng/Versions.props b/eng/Versions.props
index 3f6f080780..621c23af27 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -22,4 +22,8 @@
     <!-- Dependencies from https://github.com/dotnet/command-line-api -->
     <SystemCommandLinePackageVersion>2.0.0-beta4.24324.3</SystemCommandLinePackageVersion>
   </PropertyGroup>
+  <PropertyGroup>
+    <!-- Non-maestro versions -->
+    <SystemFormatsAsn1Version>8.0.1</SystemFormatsAsn1Version>
+  </PropertyGroup>
 </Project>
diff --git a/src/Microsoft.TemplateEngine.Edge/Microsoft.TemplateEngine.Edge.csproj b/src/Microsoft.TemplateEngine.Edge/Microsoft.TemplateEngine.Edge.csproj
index 3c58a55ae6..ec04d728f0 100644
--- a/src/Microsoft.TemplateEngine.Edge/Microsoft.TemplateEngine.Edge.csproj
+++ b/src/Microsoft.TemplateEngine.Edge/Microsoft.TemplateEngine.Edge.csproj
@@ -16,6 +16,7 @@
   <ItemGroup>
     <ProjectReference Include="$(SrcDir)Microsoft.TemplateEngine.Abstractions\Microsoft.TemplateEngine.Abstractions.csproj" />
     <ProjectReference Include="$(SrcDir)Microsoft.TemplateEngine.Utils\Microsoft.TemplateEngine.Utils.csproj" />
+    <PackageReference Include="System.Formats.Asn1" Version="$(SystemFormatsAsn1Version)" />
   </ItemGroup>
 
   <ItemGroup>