diff --git a/eng/automation/SignList.xml b/eng/automation/SignList.xml
index 5ff54c60f361..d7348bfc829c 100644
--- a/eng/automation/SignList.xml
+++ b/eng/automation/SignList.xml
@@ -52,6 +52,7 @@
     <Skip Include="System.ObjectModel.dll" />
     <Skip Include="System.Runtime.CompilerServices.Unsafe.dll" />
     <Skip Include="System.Text.Json.dll" />
+    <Skip Include="System.Text.Encodings.Web.dll" />
   </ItemGroup>
 
 </Project>