diff --git a/src/Package/build/ReferenceTrimmer.props b/src/Package/build/ReferenceTrimmer.props
index d7b1e0b..a744582 100644
--- a/src/Package/build/ReferenceTrimmer.props
+++ b/src/Package/build/ReferenceTrimmer.props
@@ -58,6 +58,7 @@
     <ReferenceTrimmerIgnorePackageBuildFiles Include="Microsoft.Extensions.Options" />
     <ReferenceTrimmerIgnorePackageBuildFiles Include="Microsoft.Extensions.Options.ConfigurationExtensions" />
     <ReferenceTrimmerIgnorePackageBuildFiles Include="Microsoft.Extensions.Primitives" />
+    <ReferenceTrimmerIgnorePackageBuildFiles Include="System.Text.Json" />
   </ItemGroup>
 
 </Project>